{"id":4695,"date":"2016-11-01T00:47:33","date_gmt":"2016-11-01T00:47:33","guid":{"rendered":"http:\/\/www.autolexicon.net\/?p=4695"},"modified":"2017-11-08T08:26:04","modified_gmt":"2017-11-08T08:26:04","slug":"zimni-pneumatika","status":"publish","type":"post","link":"https:\/\/www.autolexicon.net\/cs\/articles\/zimni-pneumatika\/","title":{"rendered":"Zimn\u00ed pneumatika"},"content":{"rendered":"

<\/p>\n

Mnoho motorist\u016f podce\u0148uje v\u00fdm\u011bnu pneumatik za zimn\u00ed a ohro\u017euje tak nejenom sebe, ale i ostatn\u00ed \u00fa\u010dastn\u00edky silni\u010dn\u00edho provozu. Zimn\u00ed pneumatika se od letn\u00ed neli\u0161\u00ed pouze <\/strong>dez\u00e9nem<\/a>, kter\u00fd je l\u00e9pe uzp\u016fsoben na odv\u00e1d\u011bn\u00ed vody ze stopy pneumatiky a p\u0159edch\u00e1z\u00ed tak vzniku akvaplaningu<\/a> v\u00a0rozje\u017ed\u011bn\u00e9 zimn\u00ed b\u0159e\u010dce, ale p\u0159edev\u0161\u00edm se li\u0161\u00ed chemick\u00fdm slo\u017een\u00edm pou\u017eit\u00e9 pry\u017ee. Pro v\u00fdrobu zimn\u00edch pneumatik se pou\u017e\u00edvaj\u00ed speci\u00e1ln\u00ed m\u011bk\u010d\u00ed sm\u011bsi<\/strong> s\u00a0vysok\u00fdm obsahem siliky<\/a> a n\u011bkdy dokonce skeln\u00fdch vl\u00e1ken. D\u00edky t\u011bmto slo\u017ek\u00e1m neztr\u00e1c\u00ed zimn\u00ed pneumatika sv\u00e9 adhezn\u00ed schopnosti<\/a> ani p\u0159i n\u00edzk\u00fdch teplot\u00e1ch, lidov\u011b \u0159e\u010deno: zimn\u00ed pneumatika tolik netvrdne.<\/span>\u00a0<\/span><\/p>\n

\u00a0\"\"<\/a><\/span><\/p>\n

porovn\u00e1n\u00ed dez\u00e9nu zimn\u00edch (horn\u00ed \u0159ada) a letn\u00edch pneumatik (doln\u00ed \u0159ada)<\/em><\/span><\/p>\n

Jak se pozn\u00e1 zimn\u00ed pneumatika?
\n<\/strong><\/span>U\u017e na prvn\u00ed pohled se letn\u00ed a zimn\u00ed pneumatiky li\u0161\u00ed tvarem i uspo\u0159\u00e1d\u00e1n\u00edm dez\u00e9nu<\/a>. V\u011bt\u0161ina zimn\u00edch pneumatik je tzv. sm\u011brov\u00fdch<\/a> nebo asymetrick\u00fdch<\/a>. Tento tvar dez\u00e9nu pom\u00e1h\u00e1 lep\u0161\u00edm z\u00e1b\u011brov\u00fdm vlastnostem a lep\u0161\u00edmu odvodu vody ze stopy pod pneumatikou<\/a>. Zimn\u00ed pneumatika m\u00e1 tak\u00e9 v\u00edce z\u00e1\u0159ez\u016f ne\u017e letn\u00ed. V ka\u017ed\u00e9m “\u0161pal\u00edku” vymezen\u00e9m dr\u00e1\u017ekami jsou toti\u017e je\u0161t\u011b dal\u0161\u00ed jemn\u00e9 vlnkovit\u00e9 z\u00e1\u0159ezy, kter\u00e9 odv\u00e1d\u011bj\u00ed vodu a sn\u00edh.
\n<\/span>V\u00a0roce 2011 byla p\u0159ijata sm\u011brnice Evropsk\u00e9 unie<\/strong>, kter\u00e1 stanovuje podm\u00ednky pro zimn\u00ed pneumatiky. Sou\u010d\u00e1st\u00ed tohoto p\u0159edpisu je i povinn\u00e9 testov\u00e1n\u00ed. Pneumatika, kter\u00e1 podm\u00ednk\u00e1m a test\u016f vyhov\u00ed, sm\u00ed na bo\u010dnici n\u00e9st n\u00e1pis M+S, M.S, M\/S nebo MS (z anglick\u00e9ho Mud\/Snow, Bl\u00e1to\/Sn\u00edh). Podle n\u011bkter\u00fdch v\u00fdrobc\u016f v\u0161ak tato p\u00edsmena nezaru\u010duj\u00ed pou\u017eit\u00ed do mraziv\u00e9ho po\u010das\u00ed. Jistotu, \u017ee se jedn\u00e1 opravdu o zimn\u00ed pneumatiky, dod\u00e1 a\u017e symbol horsk\u00e9ho masivu se sn\u011bhovou vlo\u010dkou.<\/strong><\/span><\/p>\n

\"\"<\/a>\u00a0 \"\"<\/a><\/p>\n

Kdy p\u0159ezout pneumatiky?
\n<\/strong><\/span>Odborn\u00edci doporu\u010duj\u00ed p\u0159ezout na zimn\u00ed pl\u00e1\u0161t\u011b ji\u017e v\u00a0obdob\u00ed, kdy se venkovn\u00ed teploty pohybuj\u00ed pod +7 \u00b0C<\/strong>. Testy prok\u00e1zaly, \u017ee pod touto teplotou dosahuj\u00ed zimn\u00ed pneumatiky lep\u0161\u00edch v\u00fdsledk\u016f p\u0159i brzd\u011bn\u00ed i ovl\u00e1d\u00e1n\u00ed vozidla v\u00a0zat\u00e1\u010dk\u00e1ch. Zimn\u00ed pl\u00e1\u0161t\u011b rovn\u011b\u017e maj\u00ed lep\u0161\u00ed samo\u010distic\u00ed a z\u00e1b\u011brov\u00e9 vlastnosti.<\/span><\/span><\/p>\n

Jak zvolit optim\u00e1ln\u00edho v\u00fdrobce zimn\u00edch pneumatik?<\/strong>
\nV\u00fdrobce vozidel obvykle na z\u00e1klad\u011b sv\u00fdch zkou\u0161ek doporu\u010duje v\u00fdrobce i typ vhodn\u00fdch pneumatik. Pokud tomu tak nen\u00ed, je mo\u017en\u00e9 se pro vhodnou pneumatiku rozhodnout na z\u00e1klad\u011b test\u016f pneumatik uve\u0159ej\u0148ovan\u00fdch v\u00a0renomovan\u00fdch odborn\u00fdch \u010dasopisech.<\/span><\/p>\n

Jakou zvolit \u0161\u00ed\u0159ku zimn\u00edch pl\u00e1\u0161\u0165\u016f?
\n<\/strong><\/span>Rozm\u011bry pneumatik jsou uvedeny ve velk\u00e9m technick\u00e9m pr\u016fkazu. D\u0159\u00edve se doporu\u010dovalo volit zimn\u00ed pneumatiky oproti letn\u00edm trochu u\u017e\u0161\u00ed, aby se l\u00e9pe za\u0159ez\u00e1valy do sn\u011bhov\u00e9 pokr\u00fdvky. Co\u017e je sice spr\u00e1vn\u00e1 my\u0161lenka, nicm\u00e9n\u011b poch\u00e1z\u00ed ze seversk\u00fdch zem\u00ed, kde jsou odli\u0161n\u00e9 sn\u011bhov\u00e9 podm\u00ednky a na silnici je defakto souvisl\u00e1 sn\u011bhov\u00e1 pokr\u00fdvka. Proto se dnes od tohoto pravidla pomalu upou\u0161t\u00ed. Na druhou stranu, p\u0159\u00edli\u0161 \u0161irok\u00e9 pl\u00e1\u0161t\u011b\u00a0m\u00edvaj\u00ed za mokra probl\u00e9my s\u00a0aquaplaningem<\/a> a mokro \u010di b\u0159e\u010dka je v\u00a0zim\u011b \u010dast\u00fdm jevem.<\/span><\/p>\n\n\n\n\n\n\n\n
Brzdn\u00e1 dr\u00e1ha p\u0159i n\u00edzk\u00fdch teplot\u00e1ch\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 <\/strong><\/span><\/td>\n<\/tr>\n
\n

Brzdn\u00e1 dr\u00e1ha<\/span><\/p>\n<\/td>\n

\n

Zimn\u00ed pneu<\/span><\/p>\n<\/td>\n

\n

Letn\u00ed pneu<\/span><\/p>\n<\/td>\n<\/tr>\n

\n

s ABS<\/span><\/p>\n<\/td>\n

\n

bez ABS<\/span><\/p>\n<\/td>\n

\n

s ABS<\/span><\/p>\n<\/td>\n

\n

bez ABS<\/span><\/p>\n<\/td>\n<\/tr>\n

\n

ze 40 km\/h do zastaven\u00ed,<\/span><\/p>\n

asfalt se sn\u011bhem<\/span><\/p>\n<\/td>\n

\n

17,6 m<\/span><\/p>\n<\/td>\n

\n

20,5 m<\/span><\/p>\n<\/td>\n

\n

22,6 m<\/span><\/p>\n<\/td>\n

\n

24,8 m<\/span><\/p>\n<\/td>\n<\/tr>\n

\n

z 50 km\/h,<\/span><\/p>\n

asfalt s\u00a0n\u00e1mrazou a se sn\u011bhem<\/span><\/p>\n<\/td>\n

\n

40,0 m<\/span><\/p>\n<\/td>\n

\n

44,5 m<\/span><\/p>\n<\/td>\n

\n

44,3 m<\/span><\/p>\n<\/td>\n

\n

51,5 m<\/span><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

* zdroj: Autoklub \u010cR<\/em><\/span><\/p>\n

Kde a kdy hroz\u00ed n\u00e1mraza?
\n<\/strong><\/span>– p\u0159edev\u0161\u00edm po r\u00e1nu a nave\u010der
\n– <\/span>na mostech
\n– <\/span>v\u00a0\u00fadol\u00edch a pod svahy, kter\u00e9 vrhaj\u00ed st\u00edn
\n– <\/span>pozor na \u00faseky kde vane v\u00edtr, mohou se tam vyskytovat sn\u011bhov\u00e9 jazyky \u010di n\u00e1mraza
\n– <\/span>v\u00a0okol\u00ed \u0159ek, rybn\u00edk\u016f, jezer a ba\u017ein
\n– <\/span>na silnic\u00edch ni\u017e\u0161\u00edch t\u0159\u00edd, kter\u00e9 maj\u00ed p\u0159i \u00fadr\u017eb\u011b ni\u017e\u0161\u00ed prioritu
\n– <\/span>tak\u00e9 pozor na podzim na napadan\u00e9 list\u00ed a zne\u010di\u0161t\u011bnou vozovku oranic\u00ed<\/span><\/p>\n

Minim\u00e1ln\u00ed v\u00fd\u0161ka dez\u00e9nu zimn\u00edch pneumatik?
\n<\/strong><\/span>\u010cesk\u00e9 pr\u00e1vn\u00ed p\u0159edpisy stanovuj\u00ed minim\u00e1ln\u00ed hloubku dez\u00e9nu<\/a>, pro zimn\u00ed pneumatiky je z\u00e1vazn\u00fd z\u00e1kon \u010d. 361\/2000 sb.<\/a> D\u0159\u00edve p\u0159edpisy ne\u0159e\u0161ily, zda se jedn\u00e1 o zimn\u00ed nebo letn\u00ed pl\u00e1\u0161\u0165. Dnes jsou limity rozd\u00edln\u00e9. Pro letn\u00ed pl\u00e1\u0161t\u011b je minim\u00e1ln\u00ed v\u00fd\u0161ka dez\u00e9nu st\u00e1le 1,6 mm, kde\u017eto u zimn\u00edch pneumatik je nov\u011b minim\u00e1ln\u00ed v\u00fd\u0161ka dez\u00e9nu<\/a> 4 mm (pro vozidla nad 3,5 tun je 6 mm). Co\u017e souvis\u00ed s\u00a0v\u011bt\u0161\u00edm mno\u017estv\u00edm vody a taj\u00edc\u00edho sn\u011bhu v\u00a0zimn\u00edm obdob\u00ed.<\/span><\/p>\n

Pneumatiky v\u00a0d\u016fsledku p\u016fsoben\u00ed kysl\u00edku a slune\u010dn\u00edho z\u00e1\u0159en\u00ed postupn\u011b ztr\u00e1cej\u00ed sv\u00e9 p\u016fvodn\u00ed vlastnosti, takzvan\u011b tvrdnou. To plat\u00ed i pro zimn\u00ed pneumatiky, kde ov\u0161em po\u017eadavek na jej\u00ed dobr\u00e9 adhezn\u00ed vlastnosti je velmi d\u016fle\u017eit\u00fd. <\/strong>Proto by zimn\u00ed pneumatiky nem\u011bly b\u00fdt pou\u017e\u00edv\u00e1ny d\u00e9le jak 4 roky. \u0158idi\u010d\u016fm, kte\u0159\u00ed ro\u010dn\u011b najezd\u00ed men\u0161\u00ed porci kilometr\u016f, se tak m\u016f\u017ee st\u00e1t, \u017ee pneumatika ztrat\u00ed sv\u00e9 \u201ezimn\u00ed\u201c vlastnosti je\u0161t\u011b p\u0159ed sv\u00fdm fyzick\u00fdm opot\u0159eben\u00edm, tzv. zest\u00e1rne. Pro letn\u00ed provoz je takov\u00e1 pneumatika je\u0161t\u011b vyhovuj\u00edc\u00ed. \u0158ada \u0159idi\u010d\u016f tedy chce i mimo zimn\u00ed sez\u00f3nu \u201edojezdit\u201c sv\u00e9 star\u00e9 zimn\u00ed pneumatiky. M\u011bjme v\u0161ak na pam\u011bti, \u017ee se vzr\u016fstaj\u00edc\u00ed teplotou zimn\u00ed pneu p\u0159\u00edli\u0161 m\u011bkne a pro letn\u00ed pou\u017eit\u00ed nen\u00ed ide\u00e1ln\u00ed. Nap\u0159. brzdn\u00e1 dr\u00e1ha<\/a> je del\u0161\u00ed, opot\u0159eben\u00ed pneumatik je vy\u0161\u0161\u00ed i j\u00edzdn\u00ed vlastnosti jsou hor\u0161\u00ed. Pokud s\u00a0t\u00edm v\u0161ak \u0159idi\u010d po\u010d\u00edt\u00e1, nic mu nebr\u00e1n\u00ed v \u201edoje\u017ed\u011bn\u00ed\u201c zimn\u00edch pneumatik.<\/span><\/p>\n

Brzdn\u00e1 dr\u00e1ha se zimn\u00edmi pl\u00e1\u0161ti v\u00a0letn\u00edm obdob\u00ed<\/strong>
\nV\u00a0letn\u00edm obdob\u00ed je podle test\u016f rakousk\u00e9ho autoklubu \u00d6AMTC brzdn\u00e1 dr\u00e1ha<\/a> z rychlosti 80 km\/h u letn\u00edho obut\u00ed o 6,4 metru krat\u0161\u00ed<\/strong> ne\u017e se zimn\u00edmi pl\u00e1\u0161ti.<\/span><\/p>\n

Brzdn\u00e1 dr\u00e1ha \u010d\u00ednsk\u00fdch pneumatik<\/strong>
\nO (ne)kvalit\u011b \u010d\u00ednsk\u00fdch produkt\u016f, kter\u00e1 n\u011bkdy hrani\u010d\u00ed a\u017e s\u00a0nebezpe\u010dnost\u00ed, snad nen\u00ed t\u0159eba dlouze ps\u00e1t. Test zimn\u00edch pneumatik autoklubu ADAC<\/a> z\u00a0roku 2015 uk\u00e1zal alarmuj\u00edc\u00ed rozd\u00edly. Pl\u00e1\u0161\u0165 ContiWinterContact TS 850 o rozm\u011bru 165\/70 R 14 zastavil z\u00a0rychlosti 80 km\/h na mokru po 36,2 metech. \u010c\u00ednsk\u00e1 pneumatika pot\u0159ebovala o 13,4 metru del\u0161\u00ed brzdnou dr\u00e1hu<\/a><\/strong>. Na pov\u00e1\u017eenou je i fakt, \u017ee podle povinn\u00e9ho EU \u0161t\u00edtku byly ob\u011b pneumatiky stejn\u00e9 t\u0159\u00eddy, co\u017e naprosto devalvuje smysl a vypov\u00eddac\u00ed hodnotu takov\u00fdch \u0161t\u00edtk\u016f!<\/span><\/p>\n

V\u011bd\u011bli jste \u017ee:<\/span>
\n<\/em><\/strong><\/span><\/p>\n

Prvn\u00ed byli na severu\"cs_prvni_zimni_pneumatika_000\"<\/a>
\n<\/strong><\/span>Prvn\u00ed zimn\u00ed pneumatika byla vyrobena firmou Nokian Tyres v\u00a0roce 1934. Tato pneumatika byla navr\u017eena pro n\u00e1kladn\u00ed automobily a nesla n\u00e1zev Kelirengas<\/strong>. O dva roky pozd\u011bji v rove 1936 se objevila i prvn\u00ed zimn\u00ed pneumatika pro osobn\u00ed vozy<\/strong>, ta nesla Hakkapeliitta<\/strong>. Byla charakteristick\u00e1 sv\u00fdm extr\u00e9mn\u011b hlubok\u00fdm dez\u00e9nem.<\/span><\/p>\n

Hluk je minulost\u00ed
\n<\/strong><\/span>Je\u0161t\u011b v\u00a0ned\u00e1vn\u00e9 minulosti platilo, \u017ee zimn\u00ed pneumatika je p\u0159i j\u00edzd\u011b hlu\u010dn\u011bj\u0161\u00ed a j\u00edzda m\u00e9n\u011b komfortn\u00ed. Dnes jsou kvalitn\u00ed zimn\u00ed pneumatiky v\u00a0t\u011bchto parametrech srovnateln\u00e9 s\u00a0letn\u00edmi.<\/span><\/p>\n

Rychlostn\u00ed index zimn\u00edch pl\u00e1\u0161\u0165\u016f<\/strong>
\nU letn\u00edch pneumatik neexistuje \u017e\u00e1dn\u00e1 v\u00fdjimka a rychlostn\u00ed index pneumatiky mus\u00ed odpov\u00eddat hodnot\u00e1m v technick\u00e9m pr\u016fkazu. U zimn\u00edch pl\u00e1\u0161\u0165\u016f je v\u0161ak mo\u017en\u00e9 pou\u017e\u00edt i ni\u017e\u0161\u00ed rychlostn\u00ed index! <\/strong>Jak je uvedeno ve vyhl\u00e1\u0161ce \u010d. 341\/2002 Sb.: “V p\u0159\u00edpad\u011b pou\u017eit\u00ed zimn\u00edch pneumatik (M+S) s ni\u017e\u0161\u00ed kategori\u00ed rychlosti, ne\u017e je nejvy\u0161\u0161\u00ed konstruk\u010dn\u00ed rychlost vozidla, je nutno na tuto skute\u010dnost upozornit dodatkov\u00fdm ozna\u010den\u00edm formou n\u00e1lepky, kter\u00e1 mus\u00ed b\u00fdt v zorn\u00e9m poli \u0159idi\u010de.”<\/em><\/span><\/p>\n

Protektory v\u00a0zim\u011b nebrat
\n<\/strong><\/span>Vyhn\u011bte se koupi protektorovan\u00fdch<\/a> zimn\u00edch pneumatik. U pou\u017eit\u00fdch pl\u00e1\u0161\u0165\u016f nen\u00ed zn\u00e1m p\u016fvod a st\u00e1\u0159\u00ed pl\u00e1\u0161t\u011b a rovn\u011b\u017e sm\u011bs pou\u017eit\u00e1 na protektorov\u00e1n\u00ed b\u011bhounu nem\u00e1 s\u00a0nejv\u011bt\u0161\u00ed pravd\u011bpodobnost\u00ed zaru\u010deny \u201ezimn\u00ed\u201c vlastnosti.<\/span><\/p>\n

Pravidlo 4×4, aneb 4 d\u016fle\u017eit\u00e9 z\u00e1sady pro pou\u017eit\u00ed zimn\u00edch pneumatik:
\n<\/strong><\/span>1. \u2013 na vozidle pou\u017e\u00edvejte 4 stejn\u00e9 pneumatiky<\/span><\/p>\n

2. \u2013 pneumatiky pou\u017e\u00edvejte maxim\u00e1ln\u011b 4 sez\u00f3ny<\/span><\/p>\n

3. \u2013 doporu\u010den\u00e1 minim\u00e1ln\u00ed hloubka dez\u00e9nu je 4 mm<\/span><\/p>\n

4. \u2013 pamatujte, \u017ee pr\u016fm\u011brn\u00e9 teploty pod 7\u00b0C jsou minim\u00e1ln\u011b 4 m\u011bs\u00edce v roce<\/span><\/p>\n


\n<\/span>Foto: <\/strong>archiv
\n<\/span>Kl\u00ed\u010dov\u00e1 slova: <\/strong>zimn\u00ed pneumatika, zimn\u00ed pneumatiky, obut\u00ed na zimu<\/span><\/p>","protected":false},"excerpt":{"rendered":"

Ka\u017edoro\u010dn\u011b se s n\u00e1stupem zimy otev\u00edr\u00e1 nekone\u010dn\u00e1 debata o v\u00fdznamu zimn\u00edch pneumatik a jejich spr\u00e1vn\u00e9m pou\u017eit\u00ed. D\u00edky medializaci tohoto t\u00e9matu si dnes v\u011bt\u0161ina motorist\u016f uv\u011bdomuje v\u00fdznam pou\u017eit\u00ed zimn\u00edch pneumatik i na nezasn\u011b\u017een\u00fdch cest\u00e1ch. V na\u0161ich klimatick\u00fdch podm\u00ednk\u00e1ch nen\u00ed zima zdaleka tak krut\u00e1 jako na severu. V \u010cesk\u00e9 republice je b\u011bhem zimy v 40% such\u00e1 vozovka, 45% vlhk\u00e1 a pouze v 15% zasn\u011b\u017een\u00e1 \u010di zledovat\u011bl\u00e1. Takov\u00e1 statistika nezn\u00ed a\u017e tak nebezpe\u010dn\u011b. Je t\u0159eba si uv\u011bdomit, \u017ee ur\u010duj\u00edc\u00ed parametr pro bezpe\u010dnou j\u00edzdu je p\u0159edev\u0161\u00edm teplota, kter\u00e1 ovliv\u0148uje adhezn\u00ed vlastnosti pneumatik. Z\u00e1kladn\u00edm p\u0159edpokladem bezpe\u010dn\u00e9 j\u00edzdy v zimn\u00edm obdob\u00ed je pou\u017eit\u00ed zimn\u00edch pneumatik. Jak ale poznat dobrou zimn\u00ed pneumatiku?<\/p>\n","protected":false},"author":1,"featured_media":5219,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"colormag_page_container_layout":"default_layout","colormag_page_sidebar_layout":"default_layout","rop_custom_images_group":[],"rop_custom_messages_group":[],"rop_publish_now":"initial","rop_publish_now_accounts":{"facebook_10217573569066608_119527941460186":"","twitter_308591058_308591058":""},"rop_publish_now_history":[],"rop_publish_now_status":"pending","ngg_post_thumbnail":0,"two_page_speed":[],"footnotes":""},"categories":[1,828,4],"tags":[1169,1167],"class_list":["post-4695","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nezarazene","category-pneumatiky-a-rafky","category-casti-automobilu","tag-obuti-na-zimu","tag-zimni-pneumatika"],"yoast_head":"\nZimn\u00ed pneumatika - autolexicon.net<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.autolexicon.net\/cs\/articles\/zimni-pneumatika\/\" \/>\n<meta property=\"og:locale\" content=\"cs_CZ\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Zimn\u00ed pneumatika - autolexicon.net\" \/>\n<meta property=\"og:description\" content=\"Ka\u017edoro\u010dn\u011b se s n\u00e1stupem zimy otev\u00edr\u00e1 nekone\u010dn\u00e1 debata o v\u00fdznamu zimn\u00edch pneumatik a jejich spr\u00e1vn\u00e9m pou\u017eit\u00ed. 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