{"id":395,"date":"2026-09-10T18:27:11","date_gmt":"2026-09-10T18:27:11","guid":{"rendered":"http:\/\/www.testpneumatik.eu\/blog\/?p=395"},"modified":"2026-09-10T18:27:11","modified_gmt":"2026-09-10T18:27:11","slug":"jaky-vliv-ma-sjeti-zimni-pneumatiky-na-delku-brzdne-drahy","status":"publish","type":"post","link":"https:\/\/opontest.pl\/mag\/jaky-vliv-ma-sjeti-zimni-pneumatiky-na-delku-brzdne-drahy\/","title":{"rendered":"Hloubka dez\u00e9nu zimn\u00edch pneumatik: co se m\u011bn\u00ed p\u0159i 4 mm a 2 mm"},"content":{"rendered":"<p>Hloubka dez\u00e9nu zimn\u00ed pneumatiky nevytv\u00e1\u0159\u00ed jedinou jednozna\u010dnou hranici bezpe\u010dnosti. V roce 2026 <a href=\"https:\/\/www.adac.de\/rund-ums-fahrzeug\/ausstattung-technik-zubehoer\/reifen\/sicherheit\/abgefahrene-reifen\/\">ADAC informoval<\/a> o studii, kter\u00e1 testovala p\u011bt zimn\u00edch pneumatik rozm\u011bru 185\/65 R15 a porovn\u00e1vala p\u0159ibli\u017en\u011b 8 mm nov\u00e9ho dez\u00e9nu s 4 mm a 2 mm. P\u0159i 4 mm z\u016fstal pr\u016fm\u011brn\u00fd v\u00fdsledek brzd\u011bn\u00ed na mokru v z\u00e1sad\u011b beze zm\u011bny, ale odvod vody, ovladatelnost na mokru a v\u00fdkony na sn\u011bhu se ji\u017e zhor\u0161ily. P\u0159i 2 mm byly ztr\u00e1ty rozs\u00e1hlej\u0161\u00ed a pr\u016fm\u011brn\u00e1 odolnost proti aquaplaningu v zat\u00e1\u010dce byla o 52.2% ni\u017e\u0161\u00ed ne\u017e u referen\u010dn\u00ed nov\u00e9 pneumatiky.<\/p>\n<p>Pro \u0159idi\u010de jsou proto 4 mm u\u017eite\u010dn\u00fdm bodem pro pl\u00e1nov\u00e1n\u00ed v\u00fdm\u011bny podle bezpe\u010dnostn\u00edho doporu\u010den\u00ed ADAC. Tento technick\u00fd pr\u016fvodce nestanovuje z\u00e1konn\u00e9 minimum: ov\u011b\u0159te si aktu\u00e1ln\u00ed ofici\u00e1ln\u00ed po\u017eadavky v\u0161ude, kde je vozidlo provozov\u00e1no. Zm\u011b\u0159te ka\u017edou pneumatiku v p\u0159\u00edslu\u0161n\u00fdch dr\u00e1\u017ek\u00e1ch dez\u00e9nu, za\u010dn\u011bte pl\u00e1novat, jakmile se hloubka p\u0159ibl\u00ed\u017e\u00ed k 5 mm, a \u0159i\u010fte se doporu\u010den\u00edm ADAC k v\u00fdm\u011bn\u011b p\u0159i 4 mm. Tento pr\u016fvodce vysv\u011btluje v\u0161ech osm discipl\u00edn, rozli\u0161uje dva zve\u0159ejn\u011bn\u00e9 ukazatele ovladatelnosti na mokru, p\u0159edstavuje dostupn\u00e9 srovn\u00e1n\u00ed jednotliv\u00fdch model\u016f a p\u0159ev\u00e1d\u00ed m\u011b\u0159en\u00ed dez\u00e9nu na praktick\u00e9 rozhodnut\u00ed o v\u00fdm\u011bn\u011b.<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_69_1 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<p class=\"ez-toc-title\">\u2630<\/p>\n<label for=\"ez-toc-cssicon-toggle-item-6aa5576fd3369\" class=\"ez-toc-cssicon-toggle-label\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 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roku 2026\">Co zkoumal test opot\u0159eben\u00fdch zimn\u00edch pneumatik z roku 2026<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/opontest.pl\/mag\/jaky-vliv-ma-sjeti-zimni-pneumatiky-na-delku-brzdne-drahy\/#Hloubka_dezenu_zimnich_pneumatik_pri_4_mm_a_2_mm_vsechny_discipliny\" title=\"Hloubka dez\u00e9nu zimn\u00edch pneumatik p\u0159i 4 mm a 2 mm: v\u0161echny discipl\u00edny\">Hloubka dez\u00e9nu zimn\u00edch pneumatik p\u0159i 4 mm a 2 mm: v\u0161echny discipl\u00edny<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/opontest.pl\/mag\/jaky-vliv-ma-sjeti-zimni-pneumatiky-na-delku-brzdne-drahy\/#Proc_muze_rezerva_proti_aquaplaningu_klesat_drive_nez_vykon_pri_brzdeni_na_mokru\" title=\"Pro\u010d m\u016f\u017ee rezerva proti aquaplaningu klesat d\u0159\u00edve ne\u017e v\u00fdkon p\u0159i brzd\u011bn\u00ed na mokru\">Pro\u010d m\u016f\u017ee rezerva proti aquaplaningu klesat d\u0159\u00edve ne\u017e v\u00fdkon p\u0159i brzd\u011bn\u00ed na mokru<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/opontest.pl\/mag\/jaky-vliv-ma-sjeti-zimni-pneumatiky-na-delku-brzdne-drahy\/#Co_ukazuji_udaje_o_aquaplaningu_jednotlivych_modelu\" title=\"Co ukazuj\u00ed \u00fadaje o aquaplaningu jednotliv\u00fdch model\u016f\">Co ukazuj\u00ed \u00fadaje o aquaplaningu jednotliv\u00fdch model\u016f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/opontest.pl\/mag\/jaky-vliv-ma-sjeti-zimni-pneumatiky-na-delku-brzdne-drahy\/#Co_by_mely_4_mm_znamenat_pro_planovani_vymeny\" title=\"Co by m\u011bly 4 mm znamenat pro pl\u00e1nov\u00e1n\u00ed v\u00fdm\u011bny\">Co by m\u011bly 4 mm znamenat pro pl\u00e1nov\u00e1n\u00ed v\u00fdm\u011bny<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/opontest.pl\/mag\/jaky-vliv-ma-sjeti-zimni-pneumatiky-na-delku-brzdne-drahy\/#Jak_zkontrolovat_hloubku_dezenu_podle_citovanych_pokynu\" title=\"Jak zkontrolovat hloubku dez\u00e9nu podle citovan\u00fdch pokyn\u016f\">Jak zkontrolovat hloubku dez\u00e9nu podle citovan\u00fdch pokyn\u016f<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"Co_zkoumal_test_opotrebenych_zimnich_pneumatik_z_roku_2026\"><\/span>Co zkoumal test opot\u0159eben\u00fdch zimn\u00edch pneumatik z roku 2026<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><a href=\"https:\/\/www.adac.de\/rund-ums-fahrzeug\/ausstattung-technik-zubehoer\/reifen\/sicherheit\/abgefahrene-reifen\/\">ADAC zve\u0159ejnil svou prim\u00e1rn\u00ed zpr\u00e1vu o testu 8. z\u00e1\u0159\u00ed 2026<\/a>, zat\u00edmco <a href=\"https:\/\/autotouring.acl.lu\/en\/how-dangerous-are-worn-tyres-really\/\">ACL ozna\u010duje tuto pr\u00e1ci za spole\u010dnou studii evropsk\u00fdch autoklub\u016f<\/a>. <a href=\"https:\/\/www.presseportal.de\/pm\/7849\/6347399\">Ofici\u00e1ln\u00ed tiskov\u00e1 zpr\u00e1va ADAC<\/a> potvrzuje, \u017ee p\u0159ed testy na mokr\u00e9 vozovce a sn\u011bhu byl dez\u00e9n porovn\u00e1van\u00fdch pneumatik mechanicky sn\u00ed\u017een na 4 mm a 2 mm.<\/p>\n<p>Zkoum\u00e1no bylo p\u011bt zimn\u00edch model\u016f rozm\u011bru 185\/65 R15: Bridgestone Blizzak LM 005, <a href=\"https:\/\/www.thetirelab.com\/kumho-wintercraft-wp52-plus\/\">&#075;umho WinterCraft WP52+<\/a>, Linglong Sport Master Winter, Michelin Alpin 7 a Vredestein Wintrac. Jejich nov\u00fd dez\u00e9n m\u011bl p\u0159ibli\u017en\u011b 8 mm. Kontrolovan\u00e9 srovn\u00e1n\u00ed se proto zam\u011b\u0159ilo na konkr\u00e9tn\u00ed ot\u00e1zku: jak se tento v\u00fdb\u011br choval, kdy\u017e se hloubka dez\u00e9nu zm\u011bnila z p\u0159ibli\u017en\u011b nov\u00e9ho stavu na 4 mm a pot\u00e9 na 2 mm?<\/p>\n<p>C\u00edlem studie bylo ur\u010dit obecn\u00e9 trendy opot\u0159eben\u00ed. \u0158idi\u010di, kte\u0159\u00ed vyb\u00edraj\u00ed n\u00e1hradu, by proto m\u011bli <a href=\"https:\/\/www.thetirelab.com\/winter\/\">&#112;orovnat aktu\u00e1ln\u00ed zimn\u00ed pneumatiky<\/a> na z\u00e1klad\u011b \u0161ir\u0161\u00edch aktu\u00e1ln\u00edch v\u00fdsledk\u016f test\u016f.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Hloubka_dezenu_zimnich_pneumatik_pri_4_mm_a_2_mm_vsechny_discipliny\"><\/span>Hloubka dez\u00e9nu zimn\u00edch pneumatik p\u0159i 4 mm a 2 mm: v\u0161echny discipl\u00edny<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>N\u00e1sleduj\u00edc\u00ed tabulka zahrnuje v\u0161ech osm zve\u0159ejn\u011bn\u00fdch discipl\u00edn. Obsahuje dev\u011bt \u0159\u00e1dk\u016f v\u00fdsledk\u016f, proto\u017ee \u010das na kolo a hodnocen\u00ed ovladatelnosti na mokru jsou dva ukazatele t\u00e9\u017ee discipl\u00edny. Procento, vzd\u00e1lenost, zm\u011bna \u010dasu na kolo, zn\u00e1mka a kvalitativn\u00ed hodnocen\u00ed nejsou vz\u00e1jemn\u011b zam\u011bniteln\u00e9. Referen\u010dn\u00ed v\u00fdsledek znamen\u00e1, \u017ee pr\u016fm\u011br nov\u00fdch pneumatik p\u0159edstavuje z\u00e1klad pro srovn\u00e1n\u00ed tam, kde zdroje neposkytly absolutn\u00ed hodnotu.<\/p>\n<p><strong>Jak se zm\u011bnily v\u00fdkony od nov\u00e9ho dez\u00e9nu k 4 mm a 2 mm<\/strong><\/p>\n<figure class=\"wp-block-table\">\n<table>\n<thead>\n<tr>\n<th>Discipl\u00edna<\/th>\n<th>Nov\u00e1<\/th>\n<th>P\u0159i 4 mm<\/th>\n<th>P\u0159i 2 mm<\/th>\n<th>Praktick\u00fd v\u00fdklad<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Odolnost proti aquaplaningu v p\u0159\u00edm\u00e9m sm\u011bru<\/td>\n<td>Referen\u010dn\u00ed v\u00fdsledek<\/td>\n<td>O 12.4% ni\u017e\u0161\u00ed<\/td>\n<td>O 22.5% ni\u017e\u0161\u00ed<\/td>\n<td>Rezerva pro odvod vody byla sn\u00ed\u017eena ji\u017e p\u0159i 4 mm a p\u0159i 2 mm d\u00e1le poklesla.<\/td>\n<\/tr>\n<tr>\n<td>Odolnost proti aquaplaningu v zat\u00e1\u010dce<\/td>\n<td>Referen\u010dn\u00ed v\u00fdsledek<\/td>\n<td>O 24.7% ni\u017e\u0161\u00ed<\/td>\n<td>O 52.2% ni\u017e\u0161\u00ed<\/td>\n<td>Nejv\u011bt\u0161\u00ed uv\u00e1d\u011bn\u00e1 pr\u016fm\u011brn\u00e1 ztr\u00e1ta se t\u00fdkala zat\u00e1\u010den\u00ed ve stoj\u00edc\u00ed vod\u011b.<\/td>\n<\/tr>\n<tr>\n<td>Brzdn\u00e1 dr\u00e1ha na mokru<\/td>\n<td>31.9 m<\/td>\n<td>31.4 m<\/td>\n<td>37.3 m<\/td>\n<td>P\u0159i 4 mm v z\u00e1sad\u011b beze zm\u011bny. P\u0159i 2 mm se zaokrouhlen\u00e9 pr\u016fm\u011bry li\u0161\u00ed p\u0159ibli\u017en\u011b o 5.4 m.<\/td>\n<\/tr>\n<tr>\n<td>Ovladatelnost na mokru, \u010das na kolo (ukazatel 1 ze 2)<\/td>\n<td>Referen\u010dn\u00ed \u010das na kolo<\/td>\n<td>O 1.8% del\u0161\u00ed<\/td>\n<td>O 5.4% del\u0161\u00ed<\/td>\n<td>Souhrnn\u00fd v\u00fdkon na mokr\u00e9 vozovce byl slab\u0161\u00ed ji\u017e p\u0159i 4 mm a p\u0159i 2 mm se d\u00e1le zhor\u0161il.<\/td>\n<\/tr>\n<tr>\n<td>Ovladatelnost na mokru, hodnotic\u00ed zn\u00e1mka (ukazatel 2 ze 2)<\/td>\n<td>2.4<\/td>\n<td>3.4<\/td>\n<td>4.7<\/td>\n<td>Ni\u017e\u0161\u00ed je lep\u0161\u00ed. Hodnocen\u00ed se zhor\u0161ilo p\u0159i obou opot\u0159eben\u00fdch hloubk\u00e1ch.<\/td>\n<\/tr>\n<tr>\n<td>Bo\u010dn\u00ed p\u0159ilnavost na mokru bez aquaplaningu<\/td>\n<td>Referen\u010dn\u00ed v\u00fdsledek<\/td>\n<td>M\u00edrn\u00e1 ztr\u00e1ta<\/td>\n<td>P\u0159ibli\u017en\u011b o 4% ni\u017e\u0161\u00ed<\/td>\n<td>B\u011b\u017en\u00e1 bo\u010dn\u00ed p\u0159ilnavost na mokru se zm\u011bnila mnohem m\u00e9n\u011b ne\u017e odolnost proti aquaplaningu.<\/td>\n<\/tr>\n<tr>\n<td>Trakce na sn\u011bhu<\/td>\n<td>Referen\u010dn\u00ed v\u00fdsledek<\/td>\n<td>O 8.8% ni\u017e\u0161\u00ed<\/td>\n<td>O 15.9% ni\u017e\u0161\u00ed<\/td>\n<td>Schopnost vytv\u00e1\u0159et hnac\u00ed s\u00edlu na sn\u011bhu postupn\u011b klesala.<\/td>\n<\/tr>\n<tr>\n<td>Brzd\u011bn\u00ed na sn\u011bhu<\/td>\n<td>Referen\u010dn\u00ed v\u00fdsledek<\/td>\n<td>Zhor\u0161en\u00ed uv\u00e1d\u011bn\u00e9 ADAC: 12.4%<\/td>\n<td>Brzdn\u00e1 dr\u00e1ha z 30 km\/h: o 20.5% del\u0161\u00ed<\/td>\n<td>ADAC neup\u0159es\u0148uje z\u00e1klad m\u011b\u0159en\u00ed p\u0159i 4 mm tak p\u0159esn\u011b jako u v\u00fdsledku p\u0159i 2 mm.<\/td>\n<\/tr>\n<tr>\n<td>Ovladatelnost na sn\u011bhu<\/td>\n<td>Referen\u010dn\u00ed hodnocen\u00ed<\/td>\n<td>V\u00fdrazn\u011b hor\u0161\u00ed; pr\u016fm\u011brn\u00e1 zn\u00e1mka 5.38<\/td>\n<td>Siln\u011b zhor\u0161en\u00e1; pr\u016fm\u011brn\u00e1 zn\u00e1mka 7.17<\/td>\n<td>Ni\u017e\u0161\u00ed je lep\u0161\u00ed. ADAC pro tyto v\u00fdsledky roz\u0161\u00ed\u0159il svou b\u011b\u017enou hodnotic\u00ed stupnici.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n<p>Zdroje: <a href=\"https:\/\/www.adac.de\/rund-ums-fahrzeug\/ausstattung-technik-zubehoer\/reifen\/sicherheit\/abgefahrene-reifen\/\">p\u016fvodn\u00ed zpr\u00e1va ADAC o testu<\/a> a <a href=\"https:\/\/autotouring.acl.lu\/en\/how-dangerous-are-worn-tyres-really\/\">podrobn\u00e9 v\u00fdsledky Automobile Club du Luxembourg<\/a>. Ov\u011b\u0159eno 10. z\u00e1\u0159\u00ed 2026. Procenta pro aquaplaning, ovladatelnost a p\u0159ilnavost na mokru a trakci na sn\u011bhu p\u0159edstavuj\u00ed souhrnn\u00e9 zm\u011bny v\u016f\u010di v\u00fdsledk\u016fm nov\u00fdch pneumatik. U brzd\u011bn\u00ed na sn\u011bhu ADAC uv\u00e1d\u00ed zhor\u0161en\u00ed o 12.4% p\u0159i 4 mm, ani\u017e by z\u00e1klad definoval stejn\u011b p\u0159esn\u011b jako text k 2 mm, kter\u00fd uv\u00e1d\u00ed, \u017ee se brzdn\u00e1 dr\u00e1ha z 30 km\/h prodlou\u017eila o 20.5%.<\/p>\n<p>P\u0159ehled ADAC zaokrouhluje hodnoty aquaplaningu na cel\u00e1 procenta, zat\u00edmco ACL poskytuje zde pou\u017eit\u00e1 \u010d\u00edsla s jedn\u00edm desetinn\u00fdm m\u00edstem.<\/p>\n<p>Celkov\u00fd vzorec je d\u016fle\u017eit\u011bj\u0161\u00ed ne\u017e kter\u00e1koli jednotliv\u00e1 bu\u0148ka. P\u0159i 4 mm se zhor\u0161ila odolnost proti aquaplaningu, souhrnn\u00e1 ovladatelnost na mokru a v\u0161echny t\u0159i discipl\u00edny na sn\u011bhu. P\u0159i 2 mm bylo zhor\u0161en\u00ed rozs\u00e1hlej\u0161\u00ed a obecn\u011b v\u00fdrazn\u011bj\u0161\u00ed.<\/p>\n<p>\u0158\u00e1dek o ovladatelnosti na sn\u011bhu vy\u017eaduje zvl\u00e1\u0161tn\u00ed pozornost. V anglick\u00e9 parafr\u00e1zi \u00fadaj\u016f ADAC byl v\u00fdsledek p\u0159i 4 mm v\u00fdrazn\u011b hor\u0161\u00ed a v\u00fdsledek p\u0159i 2 mm siln\u011b zhor\u0161en\u00fd. ACL nav\u00edc uv\u00e1d\u00ed pr\u016fm\u011brn\u00e9 zn\u00e1mky 5.38 a 7.17. U t\u011bchto zn\u00e1mek je ni\u017e\u0161\u00ed hodnota lep\u0161\u00ed a stupnice byla roz\u0161\u00ed\u0159ena, aby zachovala rozd\u00edly mimo sv\u016fj obvykl\u00fd rozsah. Nejde o procenta a nem\u011bly by se \u010d\u00edseln\u011b porovn\u00e1vat se zm\u011bnami trakce nebo brzd\u011bn\u00ed.<\/p>\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" src=\"\/mag\/wp-content\/uploads\/2026\/08\/snow-sipe-comparison.jpg\" alt=\"Hlubok\u00fd lamelovan\u00fd a opot\u0159eben\u00fd dez\u00e9n zimn\u00edch pneumatik na uje\u017ed\u011bn\u00e9m sn\u011bhu\" class=\"wp-image-7397\" width=\"1536\" height=\"1024\" loading=\"lazy\" srcset=\"https:\/\/opontest.pl\/mag\/wp-content\/uploads\/2026\/08\/snow-sipe-comparison.jpg 1536w, https:\/\/opontest.pl\/mag\/wp-content\/uploads\/2026\/08\/snow-sipe-comparison-300x200.jpg 300w, https:\/\/opontest.pl\/mag\/wp-content\/uploads\/2026\/08\/snow-sipe-comparison-1024x683.jpg 1024w, https:\/\/opontest.pl\/mag\/wp-content\/uploads\/2026\/08\/snow-sipe-comparison-768x512.jpg 768w\" sizes=\"auto, (max-width: 1536px) 100vw, 1536px\" \/><figcaption class=\"wp-element-caption\">Hlubok\u00fd a opot\u0159eben\u00fd dez\u00e9n zimn\u00edch pneumatik na uje\u017ed\u011bn\u00e9m sn\u011bhu. Koncep\u010dn\u00ed ilustrace vytvo\u0159en\u00e1 AI, nikoli fotografie testu ADAC.<\/figcaption><\/figure>\n<h2><span class=\"ez-toc-section\" id=\"Proc_muze_rezerva_proti_aquaplaningu_klesat_drive_nez_vykon_pri_brzdeni_na_mokru\"><\/span>Pro\u010d m\u016f\u017ee rezerva proti aquaplaningu klesat d\u0159\u00edve ne\u017e v\u00fdkon p\u0159i brzd\u011bn\u00ed na mokru<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" src=\"\/mag\/wp-content\/uploads\/2026\/08\/wet-aquaplaning-comparison.jpg\" alt=\"Hlubok\u00fd a m\u011blk\u00fd dez\u00e9n pneumatik proj\u00ed\u017ed\u011bj\u00ed vedle sebe stoj\u00edc\u00ed vodou\" class=\"wp-image-7396\" width=\"1536\" height=\"1024\" loading=\"lazy\" srcset=\"https:\/\/opontest.pl\/mag\/wp-content\/uploads\/2026\/08\/wet-aquaplaning-comparison.jpg 1536w, https:\/\/opontest.pl\/mag\/wp-content\/uploads\/2026\/08\/wet-aquaplaning-comparison-300x200.jpg 300w, https:\/\/opontest.pl\/mag\/wp-content\/uploads\/2026\/08\/wet-aquaplaning-comparison-1024x683.jpg 1024w, https:\/\/opontest.pl\/mag\/wp-content\/uploads\/2026\/08\/wet-aquaplaning-comparison-768x512.jpg 768w\" sizes=\"auto, (max-width: 1536px) 100vw, 1536px\" \/><figcaption class=\"wp-element-caption\">Hlub\u0161\u00ed kan\u00e1ly obecn\u011b poskytuj\u00ed v\u00edce prostoru pro odv\u00e1d\u011bn\u00ed vody. Koncep\u010dn\u00ed ilustrace vytvo\u0159en\u00e1 AI, nikoli d\u016fkaz z testu.<\/figcaption><\/figure>\n<p>V\u00fdkon na mokru nen\u00ed jedin\u00e1 vlastnost. <a href=\"https:\/\/www.adac.de\/rund-ums-fahrzeug\/ausstattung-technik-zubehoer\/reifen\/sicherheit\/abgefahrene-reifen\/\">ADAC vysv\u011btluje<\/a>, \u017ee m\u011bl\u010d\u00ed dr\u00e1\u017eky maj\u00ed men\u0161\u00ed objem pro p\u0159ij\u00edm\u00e1n\u00ed a odv\u00e1d\u011bn\u00ed vody. Kdy\u017e dez\u00e9n nedok\u00e1\u017ee vodu odv\u00e9st dostate\u010dn\u011b rychle, vytvo\u0159\u00ed se pod pneumatikou kl\u00edn a ztrat\u00ed se kontakt pot\u0159ebn\u00fd k p\u0159enosu sil na vozovku. Discipl\u00edny aquaplaningu p\u0159\u00edmo prov\u011b\u0159uj\u00ed tuto schopnost odv\u00e1d\u011bt vodu, a to i p\u0159i zat\u00e1\u010den\u00ed pneumatiky.<\/p>\n<p>Test brzd\u011bn\u00ed na mokru naproti tomu m\u011b\u0159\u00ed pod\u00e9ln\u00e9 zastaven\u00ed na zku\u0161ebn\u00edm povrchu, zat\u00edmco ovladatelnost na mokru spojuje brzd\u011bn\u00ed, \u0159\u00edzen\u00ed, zrychlov\u00e1n\u00ed a p\u0159echody b\u011bhem jednoho kola. Stabiln\u00ed pr\u016fm\u011brn\u00e1 brzdn\u00e1 dr\u00e1ha p\u0159i 4 mm proto neru\u0161\u00ed v\u00fdsledek aquaplaningu. P\u0159i t\u00e9to hloubce ji\u017e studie nam\u011b\u0159ila slab\u0161\u00ed odvod vody a hor\u0161\u00ed souhrnnou ovladatelnost. Sn\u00ed\u017een\u00ed dez\u00e9nu na 2 mm zhor\u0161ilo tak\u00e9 v\u00fdsledek brzd\u011bn\u00ed.<\/p>\n<p>\u00dadaje popisuj\u00ed kontrolovan\u00e9 podm\u00ednky testu, nikoli p\u0159esnou hranici pro konkr\u00e9tn\u00ed cestu. Jejich praktick\u00e1 hodnota spo\u010d\u00edv\u00e1 v tom, \u017ee ukazuj\u00ed, jak m\u016f\u017ee rezerva pro odvod vody klesnout d\u0159\u00edve, ne\u017e \u0159idi\u010d zaznamen\u00e1 velkou zm\u011bnu b\u011b\u017en\u00e9ho ukazatele brzd\u011bn\u00ed na mokru.<\/p>\n<p>\u00d6AMTC, jeden z partnersk\u00fdch klub\u016f, podobn\u011b vykl\u00e1d\u00e1 <a href=\"https:\/\/www.oeamtc.at\/thema\/tests\/abgefahrene-reifen-vier-millimeter-reifenprofil-sind-keine-sicherheitsreserve-89278701\">hlavn\u00ed zhor\u0161en\u00ed jako probl\u00e9m mokr\u00e9 vozovky a aquaplaningu<\/a>. To je d\u016fle\u017eit\u00e9 pro \u0159idi\u010de, jejich\u017e zimy b\u00fdvaj\u00ed \u010dasto chladn\u00e9 a mokr\u00e9, i kdy\u017e sn\u011b\u017e\u00ed jen ob\u010das.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Co_ukazuji_udaje_o_aquaplaningu_jednotlivych_modelu\"><\/span>Co ukazuj\u00ed \u00fadaje o aquaplaningu jednotliv\u00fdch model\u016f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>ACL zve\u0159ejnil ztr\u00e1ty odolnosti proti aquaplaningu v zat\u00e1\u010dce pro ka\u017ed\u00fd testovan\u00fd model p\u0159i 4 mm a 2 mm. Ka\u017ed\u00e9 procento porovn\u00e1v\u00e1 pneumatiku s jej\u00edm vlastn\u00edm v\u00fdsledkem v nov\u00e9m stavu. Hodnoty nep\u0159edstavuj\u00ed absolutn\u00ed rychlosti vzniku aquaplaningu a neukazuj\u00ed, kter\u00fd model m\u011bl nejlep\u0161\u00ed v\u00fdchoz\u00ed pozici.<\/p>\n<figure class=\"wp-block-table\">\n<table>\n<thead>\n<tr>\n<th>Pneumatika<\/th>\n<th>Ztr\u00e1ta p\u0159i 4 mm oproti vlastn\u00edmu v\u00fdsledku v nov\u00e9m stavu<\/th>\n<th>Ztr\u00e1ta p\u0159i 2 mm oproti vlastn\u00edmu v\u00fdsledku v nov\u00e9m stavu<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Bridgestone Blizzak LM 005<\/td>\n<td>22.6%<\/td>\n<td>38.3%<\/td>\n<\/tr>\n<tr>\n<td>Michelin Alpin 7<\/td>\n<td>23.2%<\/td>\n<td>61.2%<\/td>\n<\/tr>\n<tr>\n<td>Vredestein Wintrac<\/td>\n<td>28.9%<\/td>\n<td>56.2%<\/td>\n<\/tr>\n<tr>\n<td>Kumho WinterCraft WP52+<\/td>\n<td>25.2%<\/td>\n<td>54.0%<\/td>\n<\/tr>\n<tr>\n<td>Linglong Sport Master Winter<\/td>\n<td>23.8%<\/td>\n<td>51.5%<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n<p>Zdroj: <a href=\"https:\/\/autotouring.acl.lu\/en\/how-dangerous-are-worn-tyres-really\/\">v\u00fdsledky model\u016f Automobile Club du Luxembourg<\/a>. Ov\u011b\u0159eno 10. z\u00e1\u0159\u00ed 2026.<\/p>\n<p>Rozptyl ukazuje, \u017ee sn\u00ed\u017een\u00ed dez\u00e9nu ovlivnilo p\u011bt konstrukc\u00ed rozd\u00edln\u011b. Ka\u017ed\u00e9 procento p\u0159edstavuje zm\u011bnu v\u016f\u010di vlastn\u00edmu v\u00fdsledku dan\u00e9 pneumatiky v nov\u00e9m stavu, tak\u017ee nejmen\u0161\u00ed ztr\u00e1ta neodhaluje nejlep\u0161\u00ed absolutn\u00ed hranici aquaplaningu. Zdroje rovn\u011b\u017e neposkytuj\u00ed \u00faplnou matici jednotliv\u00fdch model\u016f pro brzd\u011bn\u00ed, chov\u00e1n\u00ed na sn\u011bhu a ostatn\u00ed discipl\u00edny. Tyto hodnoty jsou proto srovn\u00e1n\u00edm opot\u0159eben\u00ed, nikoli celkov\u00fdm po\u0159ad\u00edm.<\/p>\n<p>V\u00fdsledek Michelin ukazuje, pro\u010d jej\u00ed men\u0161\u00ed ztr\u00e1tu p\u0159i 4 mm nelze line\u00e1rn\u011b prom\u00edtnout do 2 mm. \u010cten\u00e1\u0159i, kte\u0159\u00ed uva\u017euj\u00ed o jmenovan\u00fdch produktech, si mohou prohl\u00e9dnout \u0161ir\u0161\u00ed podklady Tirelab pro <a href=\"https:\/\/www.thetirelab.com\/bridgestone-blizzak-lm-005\/\">&#066;ridgestone Blizzak LM 005<\/a> a <a href=\"https:\/\/www.thetirelab.com\/michelin-alpin-7\/\">&#077;ichelin Alpin 7<\/a>.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Co_by_mely_4_mm_znamenat_pro_planovani_vymeny\"><\/span>Co by m\u011bly 4 mm znamenat pro pl\u00e1nov\u00e1n\u00ed v\u00fdm\u011bny<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><a href=\"https:\/\/www.adac.de\/rund-ums-fahrzeug\/ausstattung-technik-zubehoer\/reifen\/sicherheit\/abgefahrene-reifen\/\">V doporu\u010den\u00ed zve\u0159ejn\u011bn\u00e9m 8. z\u00e1\u0159\u00ed 2026 ADAC z bezpe\u010dnostn\u00edch d\u016fvod\u016f doporu\u010duje m\u011bnit zimn\u00ed pneumatiky p\u0159i 4 mm<\/a>. Jde o hranici pro pl\u00e1nov\u00e1n\u00ed podlo\u017eenou pozorovan\u00fdm zhor\u0161en\u00edm, nikoli o tvrzen\u00ed, \u017ee se pneumatika p\u0159esn\u011b p\u0159i 4.0 mm okam\u017eit\u011b zm\u011bn\u00ed z bezpe\u010dn\u00e9 na nebezpe\u010dnou.<\/p>\n<p>Praktick\u00fd rozhodovac\u00ed proces za\u010d\u00edn\u00e1 je\u0161t\u011b p\u0159edt\u00edm, ne\u017e m\u011b\u0159en\u00ed dos\u00e1hne p\u0159esn\u011b 4.0 mm:<\/p>\n<ol>\n<li><strong>Kolem 5 mm:<\/strong> Tato hloubka nebyla testov\u00e1na, proto neinterpolujte procento v\u00fdkonu. Zm\u011b\u0159te ji a zaznamenejte, odhadn\u011bte, zda b\u011b\u017en\u00e9 sez\u00f3nn\u00ed opot\u0159eben\u00ed pravd\u011bpodobn\u011b dos\u00e1hne 4 mm, a pokud ano, zajist\u011bte v\u00fdm\u011bnu s p\u0159edstihem.<\/li>\n<li><strong>Kolem 4 mm:<\/strong> Podle datovan\u00e9ho doporu\u010den\u00ed ADAC pova\u017eujte v\u00fdm\u011bnu za pot\u0159ebnou, zejm\u00e9na pokud pravideln\u00e9 cesty zahrnuj\u00ed stoj\u00edc\u00ed vodu nebo sn\u00edh. Nedovolte, aby jeden celkov\u011b stabiln\u00ed ukazatel brzd\u011bn\u00ed p\u0159ev\u00e1\u017eil nad zhor\u0161en\u00edm v ostatn\u00edch discipl\u00edn\u00e1ch.<\/li>\n<li><strong>Pod 4 mm:<\/strong> Pl\u00e1nujte v\u00fdm\u011bnu a nepou\u017e\u00edvejte 2 mm jako c\u00edlovou hranici spot\u0159ebov\u00e1n\u00ed. Kontrolovan\u00e9 srovn\u00e1n\u00ed ukazuje, \u017ee se aquaplaning a ovladatelnost zhor\u0161ily, p\u0159esto\u017ee pr\u016fm\u011brn\u00fd v\u00fdsledek brzd\u011bn\u00ed na mokru p\u0159i 4 mm z\u016fstal v z\u00e1sad\u011b beze zm\u011bny.<\/li>\n<li><strong>P\u0159i 2 mm:<\/strong> Pova\u017eujte pneumatiku za nevhodnou pro dal\u0161\u00ed zimn\u00ed provoz a vym\u011b\u0148te ji p\u0159ed dal\u0161\u00ed j\u00edzdou v zimn\u00edch podm\u00ednk\u00e1ch.<\/li>\n<\/ol>\n<p>Test zahrnoval p\u011bt mechanicky sn\u00ed\u017een\u00fdch pneumatik jedin\u00e9ho rozm\u011bru. Kontrolovan\u00e1 p\u0159\u00edprava pom\u00e1h\u00e1 porovn\u00e1vat hloubky dez\u00e9nu, ale nereprodukuje v\u0161echny vlastnosti p\u0159irozen\u00e9ho silni\u010dn\u00edho opot\u0159eben\u00ed. Z t\u00e9to metodiky lze odvodit, \u017ee st\u00e1rnut\u00ed, tepeln\u00e9 cykly, po\u0161kozen\u00ed a nerovnom\u011brn\u00e9 opot\u0159eben\u00ed z\u016fst\u00e1vaj\u00ed mimo srovn\u00e1n\u00ed zalo\u017een\u00e9 pouze na hloubce. V\u00fdsledky pou\u017e\u00edvejte jako obecn\u00fd trend nap\u0159\u00ed\u010d n\u011bkolika discipl\u00ednami, nikoli jako p\u0159esnou rezervu pro jinou pneumatiku nebo vozidlo.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Jak_zkontrolovat_hloubku_dezenu_podle_citovanych_pokynu\"><\/span>Jak zkontrolovat hloubku dez\u00e9nu podle citovan\u00fdch pokyn\u016f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Aktu\u00e1ln\u00ed <a href=\"https:\/\/www.adac.de\/rund-ums-fahrzeug\/ausstattung-technik-zubehoer\/reifen\/sicherheit\/reifenprofil\/\">pr\u016fvodce ADAC hloubkou dez\u00e9nu<\/a> uv\u00e1d\u00ed, \u017ee je t\u0159eba vyu\u017e\u00edt polohy indik\u00e1tor\u016f po obvodu a m\u011b\u0159it v p\u0159\u00edslu\u0161n\u00e9 hlavn\u00ed dr\u00e1\u017ece vedle indik\u00e1toru. <a href=\"https:\/\/africa.michelin.com\/en\/auto\/advice\/change-tyres\/check-tyre-tread\">Michelin samostatn\u011b doporu\u010duje<\/a> kontrolovat n\u011bkolik bod\u016f po \u0161\u00ed\u0159ce i obvodu. Mince umo\u017en\u00ed orienta\u010dn\u00ed kontrolu, ale m\u011b\u0159idlo hloubky dez\u00e9nu poskytne \u010d\u00edselnou hodnotu pot\u0159ebnou p\u0159ed rozhodnut\u00edm o v\u00fdm\u011bn\u011b.<\/p>\n<ol>\n<li>Bezpe\u010dn\u011b zaparkujte a zp\u0159\u00edstupn\u011bte dez\u00e9n.<\/li>\n<li>Um\u00edst\u011bte m\u011b\u0159idlo hloubky dez\u00e9nu do p\u0159\u00edslu\u0161n\u00e9 hlavn\u00ed dr\u00e1\u017eky vedle indik\u00e1toru opot\u0159eben\u00ed, nikoli na n\u011bj.<\/li>\n<li>Opakujte m\u011b\u0159en\u00ed po obvodu a nap\u0159\u00ed\u010d hlavn\u00ed plochou dez\u00e9nu ka\u017ed\u00e9 pneumatiky.<\/li>\n<li>Pro konzervativn\u00ed z\u00e1znam v tomto \u010dl\u00e1nku poznamenejte nejni\u017e\u0161\u00ed relevantn\u00ed hodnotu dan\u00e9 pneumatiky. Pokud m\u011b\u0159en\u00ed odhal\u00ed zjevn\u00e9 nerovnom\u011brn\u00e9 opot\u0159eben\u00ed nebo p\u016fsob\u00ed nespolehliv\u011b, nechte pneumatiku a charakter jej\u00edho opot\u0159eben\u00ed zkontrolovat odborn\u00edkem na pneumatiky.<\/li>\n<\/ol>\n<p>Tuto konzervativn\u00ed kontroln\u00ed hodnotu zapi\u0161te pro lev\u00e9 p\u0159edn\u00ed, prav\u00e9 p\u0159edn\u00ed, lev\u00e9 zadn\u00ed a prav\u00e9 zadn\u00ed kolo a p\u0159idejte datum, aby se z p\u0159\u00ed\u0161t\u00ed kontroly stal praktick\u00fd datovan\u00fd z\u00e1znam pro jednotliv\u00e9 pozice kol.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Hloubka dez\u00e9nu zimn\u00ed pneumatiky nevytv\u00e1\u0159\u00ed jedinou jednozna\u010dnou hranici bezpe\u010dnosti. V roce 2026 ADAC informoval o studii, kter\u00e1 testovala p\u011bt zimn\u00edch pneumatik rozm\u011bru 185\/65 R15 a porovn\u00e1vala p\u0159ibli\u017en\u011b 8 mm nov\u00e9ho dez\u00e9nu s 4 mm a 2 mm. P\u0159i 4 mm z\u016fstal pr\u016fm\u011brn\u00fd v\u00fdsledek brzd\u011bn\u00ed na mokru v z\u00e1sad\u011b beze zm\u011bny, ale odvod vody, ovladatelnost na mokru a v\u00fdkony na sn\u011bhu se ji\u017e zhor\u0161ily. P\u0159i 2 mm byly ztr\u00e1ty rozs\u00e1hlej\u0161\u00ed a pr\u016fm\u011brn\u00e1 odolnost proti aquaplaningu v zat\u00e1\u010dce byla o 52.2% ni\u017e\u0161\u00ed ne\u017e u referen\u010dn\u00ed nov\u00e9 pneumatiky.<\/p>\n<p>Pro \u0159idi\u010de jsou proto 4 mm u\u017eite\u010dn\u00fdm bodem pro pl\u00e1nov\u00e1n\u00ed v\u00fdm\u011bny podle bezpe\u010dnostn\u00edho doporu\u010den\u00ed ADAC. Tento technick\u00fd pr\u016fvodce nestanovuje z\u00e1konn\u00e9 minimum: ov\u011b\u0159te si aktu\u00e1ln\u00ed ofici\u00e1ln\u00ed po\u017eadavky v\u0161ude, kde je vozidlo provozov\u00e1no. Zm\u011b\u0159te ka\u017edou pneumatiku v p\u0159\u00edslu\u0161n\u00fdch dr\u00e1\u017ek\u00e1ch dez\u00e9nu, za\u010dn\u011bte pl\u00e1novat, jakmile se hloubka p\u0159ibl\u00ed\u017e\u00ed k 5 mm, a \u0159i\u010fte se doporu\u010den\u00edm ADAC k v\u00fdm\u011bn\u011b p\u0159i 4 mm. Tento pr\u016fvodce vysv\u011btluje v\u0161ech osm discipl\u00edn, rozli\u0161uje dva zve\u0159ejn\u011bn\u00e9 ukazatele ovladatelnosti na mokru, p\u0159edstavuje dostupn\u00e9 srovn\u00e1n\u00ed jednotliv\u00fdch model\u016f a p\u0159ev\u00e1d\u00ed m\u011b\u0159en\u00ed dez\u00e9nu na praktick\u00e9 rozhodnut\u00ed o v\u00fdm\u011bn\u011b.<\/p>\n","protected":false},"author":4,"featured_media":7427,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[32,34],"tags":[57,125,155],"class_list":["post-395","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-pneucyklopedie","category-testy-pneumatik","tag-brzdna-draha","tag-opotrebeni","tag-sjete-pneumatiky"],"acf":[],"_links":{"self":[{"href":"https:\/\/opontest.pl\/mag\/wp-json\/wp\/v2\/posts\/395","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/opontest.pl\/mag\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/opontest.pl\/mag\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/opontest.pl\/mag\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/opontest.pl\/mag\/wp-json\/wp\/v2\/comments?post=395"}],"version-history":[{"count":2,"href":"https:\/\/opontest.pl\/mag\/wp-json\/wp\/v2\/posts\/395\/revisions"}],"predecessor-version":[{"id":7460,"href":"https:\/\/opontest.pl\/mag\/wp-json\/wp\/v2\/posts\/395\/revisions\/7460"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/opontest.pl\/mag\/wp-json\/wp\/v2\/media\/7427"}],"wp:attachment":[{"href":"https:\/\/opontest.pl\/mag\/wp-json\/wp\/v2\/media?parent=395"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/opontest.pl\/mag\/wp-json\/wp\/v2\/categories?post=395"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/opontest.pl\/mag\/wp-json\/wp\/v2\/tags?post=395"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}