{"id":3612,"date":"2026-04-03T08:57:28","date_gmt":"2026-04-03T08:57:28","guid":{"rendered":"https:\/\/motorcyclechain.top\/?p=3612"},"modified":"2026-04-03T08:57:28","modified_gmt":"2026-04-03T08:57:28","slug":"motorcycle-chain-sizes-explained","status":"publish","type":"post","link":"https:\/\/motorcyclechain.top\/cs\/motorcycle-chain-sizes-explained\/","title":{"rendered":"Vysv\u011btlen\u00ed velikost\u00ed motocyklov\u00fdch \u0159et\u011bz\u016f"},"content":{"rendered":"
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Vysv\u011btlen\u00ed velikost\u00ed motocyklov\u00fdch \u0159et\u011bz\u016f<\/h1>\n

Trojm\u00edstn\u00e9 \u010d\u00edslo na vn\u011bj\u0161\u00edm \u0161t\u00edtku ka\u017ed\u00e9ho \u0159et\u011bzu k\u00f3duje rozte\u010d a \u0161\u00ed\u0159ku. Oboj\u00ed mus\u00ed p\u0159esn\u011b odpov\u00eddat va\u0161im pastork\u016fm \u2013 jedna \u0161patn\u00e1 \u010d\u00edslice znamen\u00e1, \u017ee \u0159et\u011bz nebude fungovat. Tato p\u0159\u00edru\u010dka dek\u00f3duje syst\u00e9m \u010d\u00edslov\u00e1n\u00ed a ukazuje, kter\u00e1 velikost pasuje na kter\u00fd stroj.<\/p>\n

Najd\u011bte si velikost \u0159et\u011bzu<\/a><\/p>\n<\/div>\n<\/div>\n

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Jak \u010d\u00edst \u010d\u00edslo velikosti \u0159et\u011bzu na motocyklu<\/h2>\n

Rozm\u011bry motocyklov\u00fdch \u0159et\u011bz\u016f<\/strong> jsou k\u00f3dov\u00e1ny t\u0159\u00edm\u00edstn\u00fdm k\u00f3dem vyra\u017een\u00fdm na vn\u011bj\u0161\u00ed desce ka\u017ed\u00e9ho \u0159et\u011bzu. K\u00f3d nen\u00ed libovoln\u00fd \u2013 prvn\u00ed jedna nebo dv\u011b \u010d\u00edslice k\u00f3duj\u00ed rozte\u010d (vzd\u00e1lenost mezi sousedn\u00edmi \u010depy) a posledn\u00ed dv\u011b \u010d\u00edslice ozna\u010duj\u00ed vnit\u0159n\u00ed \u0161\u00ed\u0159ku \u0159et\u011bzu. Podle normy JIS B 1801, kter\u00e1 upravuje v\u0161echny rozm\u011bry motocyklov\u00fdch \u0159et\u011bz\u016f v Japonsku a Koreji, tyto dv\u011b hodnoty zcela definuj\u00ed po\u017eadavky na kompatibilitu \u0159et\u011bzov\u00fdch kol.<\/p>\n<\/div>\n

<\/p>\n

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Dek\u00f3dov\u00e1n\u00ed \u201e428\u201c a \u201e520\u201c \u2013 dvou nejb\u011b\u017en\u011bj\u0161\u00edch t\u00f3n\u016f<\/p>\n

\n
\n
4<\/div>\n
Rozte\u010d = 4\/8 palce<\/div>\n
= 12,700 mm
\nPlat\u00ed pro: 415, 420, 428<\/div>\n<\/div>\n
\n
28<\/div>\n
K\u00f3d \u0161\u00ed\u0159ky \u201e28\u201c<\/div>\n
Vnit\u0159n\u00ed \u0161\u00ed\u0159ka = 7,85 mm
\nSpecificky pro rodinu 428<\/div>\n<\/div>\n
\n
5<\/div>\n
Rozte\u010d = 5\/8 palce<\/div>\n
= 15,875 mm
\nPlat\u00ed pro: 520, 525, 530<\/div>\n<\/div>\n
\n
20<\/div>\n
K\u00f3d \u0161\u00ed\u0159ky \u201e20\u201c<\/div>\n
Vnit\u0159n\u00ed \u0161\u00ed\u0159ka = 6,35 mm
\nSpecificky pro \u0159adu 520<\/div>\n<\/div>\n<\/div>\n

Pozn\u00e1mka: \u010c\u00edsla k\u00f3d\u016f \u0161\u00ed\u0159ky jsou identifik\u00e1tory \u2013 nep\u0159ev\u00e1d\u011bj\u00ed se p\u0159\u00edmo na milimetry. V\u017edy ov\u011b\u0159te podle publikovan\u00e9 tabulky specifikac\u00ed JIS B 1801.<\/p>\n<\/div>\n

P\u0159\u00edpona za z\u00e1kladn\u00edm k\u00f3dem identifikuje variantu \u0159et\u011bzu: bez p\u0159\u00edpony = standardn\u00ed neut\u011bsn\u011bn\u00fd; H = zes\u00edlen\u00e9 t\u011b\u017e\u0161\u00ed desky; O = ut\u011bsn\u011bn\u00fd O-krou\u017ekem; X = ut\u011bsn\u011bn\u00fd X-krou\u017ekem; SX = ut\u011bsn\u011bn\u00fd Super X-krou\u017ekem. Tak\u017ee \u201e525H-SX\u201c je zes\u00edlen\u00fd \u0159et\u011bz t\u0159\u00eddy H s ut\u011bsn\u011bn\u00fdm Super X-krou\u017ekem a rozte\u010d\u00ed 15,875 mm a vnit\u0159n\u00ed \u0161\u00ed\u0159kou 7,94 mm.<\/p>\n

K\u00f3d \u0161\u00ed\u0159ky nen\u00ed desetinn\u00e1 jednotka. \u201e20\u201c neznamen\u00e1 2,0 mm \u2013 ozna\u010duje rodinu s vnit\u0159n\u00ed \u0161\u00ed\u0159kou 6,35 mm u \u0159ady 520. V\u017edy pou\u017e\u00edvejte publikovanou tabulku specifikac\u00ed, nikoli odvozujte rozm\u011bry z k\u00f3dov\u00e9ho \u010d\u00edsla.<\/p>\n

\"Detailn\u00ed<\/p>\n

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P\u011bt hlavn\u00edch velikost\u00ed motocyklov\u00fdch \u0159et\u011bz\u016f podrobn\u011b<\/h2>\n

Dv\u011b \u0159ady rozte\u010d\u00ed pokr\u00fdvaj\u00ed v\u0161ech p\u011bt velikost\u00ed: \u0159ada 12,700 mm (1\/2 palce) pro men\u0161\u00ed stroje a \u0159ada 15,875 mm (5\/8 palce) pro stroje st\u0159edn\u00ed a v\u011bt\u0161\u00ed t\u0159\u00eddy. V r\u00e1mci ka\u017ed\u00e9 \u0159ady rozte\u010d\u00ed se vnit\u0159n\u00ed \u0161\u00ed\u0159ka li\u0161\u00ed tak, aby odpov\u00eddala po\u017eadavk\u016fm na to\u010div\u00fd moment a geometrii \u0159et\u011bzov\u00e9ho kola r\u016fzn\u00fdch t\u0159\u00edd motor\u016f.<\/p>\n

<\/p>\n

\n
\n
\n
420<\/div>\n

\"Standardn\u00ed<\/p>\n<\/div>\n

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420 \u2014 Nejleh\u010d\u00ed v rodin\u011b 1\/2 palce<\/h3>\n

D\u00edky vnit\u0159n\u00ed \u0161\u00ed\u0159ce 6,35 mm je \u0159et\u011bz 420 neju\u017e\u0161\u00ed z \u0159ady s rozte\u010d\u00ed 12,70 mm. S hmotnost\u00ed 0,57 kg\/m v\u00e1\u017e\u00ed 100\u010dl\u00e1nkov\u00fd \u0159et\u011bz 420 p\u0159ibli\u017en\u011b 570 g \u2013 u sk\u00fatru o hmotnosti 65\u201380 kg je tato hmotnost \u0159et\u011bzu v pom\u011bru k celkov\u00e9 hmotnosti stroje v\u00fdznamn\u011bj\u0161\u00ed ne\u017e u cestovn\u00edho motocyklu o hmotnosti 200 kg. Mont\u00e1\u017e \u0159et\u011bzu 428 na m\u00edsto, kde je specifikov\u00e1n \u0159et\u011bz 420, by p\u0159idala 140 g rotuj\u00edc\u00ed hmoty, co\u017e by p\u0159i v\u00fdkonov\u00fdch stupn\u00edch 50\u2013125 ccm nezp\u016fsobilo \u017e\u00e1dn\u00fd m\u011b\u0159iteln\u00fd p\u0159\u00ednos v pevnosti.<\/p>\n

V\u00fd\u0161ka t\u00f3nu:<\/strong> 12 700 mm<\/span>
\nVnit\u0159n\u00ed \u0161\u00ed\u0159ka:<\/strong> 6,35 mm<\/span>
\n\u00d8 v\u00e1lce:<\/strong> 7,77 mm<\/span>
\nTah:<\/strong> 15,6 kN<\/span>
\nHmotnost:<\/strong> 0,57 kg\/m\u00b2<\/span>
\nTypick\u00e9 pou\u017eit\u00ed:<\/strong> Sk\u00fatry, mini kola o objemu 50\u2013125 ccm<\/span><\/div>\n<\/div>\n<\/div>\n<\/div>\n

<\/p>\n

\n
\n
\n
428<\/div>\n

\"Standardn\u00ed<\/p>\n<\/div>\n

\n

428 \u2014 Celosv\u011btov\u011b nejroz\u0161\u00ed\u0159en\u011bj\u0161\u00ed<\/h3>\n

\u0158et\u011bz 428 je nejprod\u00e1van\u011bj\u0161\u00ed velikost\u00ed s jedn\u00edm \u0159et\u011bzem na glob\u00e1ln\u00edm trhu s n\u00e1hradn\u00edmi d\u00edly. Sd\u00edl\u00ed rozte\u010d s modelem 420, ale m\u00e1 v\u011bt\u0161\u00ed vnit\u0159n\u00ed \u0161\u00ed\u0159ku (7,85 mm oproti 6,35 mm) a pr\u016fm\u011br v\u00e1le\u010dk\u016f (8,51 mm oproti 7,77 mm), co\u017e vede k v\u011bt\u0161\u00ed kontaktn\u00ed plo\u0161e zub\u016f. Standardn\u00ed \u0159et\u011bz 428 s tahem 17,8 kN pokr\u00fdv\u00e1 v\u011bt\u0161inu motor\u016f o objemu 125\u2013250 ccm; \u0159et\u011bz 428H s tahem 20,6 kN zvl\u00e1d\u00e1 vy\u0161\u0161\u00ed v\u00fdkon bez nutnosti v\u00fdm\u011bny pastorku. Jeho v\u0161estrannost u ter\u00e9nn\u00edch motocykl\u016f, silni\u010dn\u00edch motocykl\u016f, sk\u00fatr\u016f, du\u00e1ln\u00edch sportovn\u00edch motocykl\u016f a cruiser\u016f v nejlidnat\u011bj\u0161\u00ed t\u0159\u00edd\u011b objemu umo\u017e\u0148uje univerz\u00e1ln\u00ed dostupnost n\u00e1hradn\u00edch d\u00edl\u016f.<\/p>\n

V\u00fd\u0161ka t\u00f3nu:<\/strong> 12 700 mm<\/span>
\nVnit\u0159n\u00ed \u0161\u00ed\u0159ka:<\/strong> 7,85 mm<\/span>
\n\u00d8 v\u00e1lce:<\/strong> 8,51 mm<\/span>
\nTah:<\/strong> 17,8 kN<\/span>
\nHmotnost:<\/strong> 0,71 kg\/m\u00b2<\/span>
\nTypick\u00e9 pou\u017eit\u00ed:<\/strong> 125\u2013250 ccm silni\u010dn\u00ed, ter\u00e9nn\u00ed, enduro<\/span><\/div>\n<\/div>\n<\/div>\n<\/div>\n

<\/p>\n

\n
\n
\n
520<\/div>\n

\"Motocyklov\u00fd<\/p>\n<\/div>\n

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520 \u2014 Nejleh\u010d\u00ed v \u0159ad\u011b 5\/8 palce<\/h3>\n

Model 520 p\u0159ech\u00e1z\u00ed do rodiny s rozte\u010d\u00ed 15,875 mm \u2013 del\u0161\u00ed rozte\u010d znamen\u00e1 v\u011bt\u0161\u00ed polom\u011br kontaktu v\u00e1le\u010dk\u016f na zubu pastorku, co\u017e rozkl\u00e1d\u00e1 zat\u00ed\u017een\u00ed po v\u011bt\u0161\u00edm oblouku. Jeho vnit\u0159n\u00ed \u0161\u00ed\u0159ka 6,35 mm \u2013 stejn\u00e1 jako u modelu 420 i p\u0159es del\u0161\u00ed rozte\u010d \u2013 z n\u011bj \u010din\u00ed neju\u017e\u0161\u00ed a nejleh\u010d\u00ed ze t\u0159\u00ed variant s rozte\u010d\u00ed 5\/8 palce s hmotnost\u00ed 0,91 kg\/m. Pro sportovn\u00ed motocykly, kde je d\u016fle\u017eit\u00e1 minimalizace rotuj\u00edc\u00ed hmoty, je model 520 p\u0159irozenou specifikac\u00ed: model 520H-X s ta\u017enou silou 34,0 kN poskytuje ut\u011bsn\u011bn\u00fd v\u00fdkon p\u0159i hmotnosti srovnateln\u00e9 se standardn\u00edm modelem 530.<\/p>\n

V\u00fd\u0161ka t\u00f3nu:<\/strong> 15,875 mm<\/span>
\nVnit\u0159n\u00ed \u0161\u00ed\u0159ka:<\/strong> 6,35 mm<\/span>
\n\u00d8 v\u00e1lce:<\/strong> 10,14 mm<\/span>
\nTah:<\/strong> 26,5 kN<\/span>
\nHmotnost:<\/strong> 0,91 kg\/m\u00b2<\/span>
\nTypick\u00e9 pou\u017eit\u00ed:<\/strong> 250\u2013600 ccm sportovn\u00ed, nah\u00fd, \u0159adov\u00fd \u010dty\u0159v\u00e1lec<\/span><\/div>\n<\/div>\n<\/div>\n<\/div>\n

<\/p>\n

\n
\n
\n
525<\/div>\n

\"Motocyklov\u00fd<\/p>\n<\/div>\n

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525 \u2014 Bod rovnov\u00e1hy mezi 520 a 530<\/h3>\n

Vnit\u0159n\u00ed \u0161\u00ed\u0159ka modelu 525 o velikosti 7,94 mm je o 1,59 mm \u0161ir\u0161\u00ed ne\u017e u modelu 520 a o 1,59 mm u\u017e\u0161\u00ed ne\u017e u modelu 530. Tato \u0161ir\u0161\u00ed kladka poskytuje v\u011bt\u0161\u00ed kontaktn\u00ed plochu zub\u016f ne\u017e model 520 \u2013 rozkl\u00e1d\u00e1 zat\u00ed\u017een\u00ed na \u0161ir\u0161\u00ed p\u00e1s zub\u016f \u0159et\u011bzov\u00e9ho kola p\u0159i dan\u00e9m napnut\u00ed \u0159et\u011bzu. Kompromis oproti modelu 520 je m\u00edrn\u00fd: 0,98 vs 0,91 kg\/m, co\u017e je rozd\u00edl 70 g na metr. Model 525 je typickou specifikac\u00ed OEM pro adventure biky, \u0159adov\u00e9 dvouv\u00e1lcov\u00e9 nah\u00e9 biky a sportovn\u011b-turistick\u00e9 motocykly ve t\u0159\u00edd\u011b 650\u2013750 ccm.<\/p>\n

V\u00fd\u0161ka t\u00f3nu:<\/strong> 15,875 mm<\/span>
\nVnit\u0159n\u00ed \u0161\u00ed\u0159ka:<\/strong> 7,94 mm<\/span>
\n\u00d8 v\u00e1lce:<\/strong> 10,14 mm<\/span>
\nTah:<\/strong> 26,5 kN<\/span>
\nHmotnost:<\/strong> 0,98 kg\/m\u00b2<\/span>
\nTypick\u00e9 pou\u017eit\u00ed:<\/strong> 400\u2013750 ccm Adventure, nah\u00fd dvouv\u00e1lec<\/span><\/div>\n<\/div>\n<\/div>\n<\/div>\n

<\/p>\n

\n
\n
\n
530<\/div>\n

\"Motocyklov\u00fd<\/p>\n<\/div>\n

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530 \u2014 Nej\u0161ir\u0161\u00ed standard, nejvy\u0161\u0161\u00ed \u0161pi\u010dkov\u00e1 pevnost<\/h3>\n

Vnit\u0159n\u00ed \u0161\u00ed\u0159ka 9,53 mm u modelu 530 zaji\u0161\u0165uje nej\u0161ir\u0161\u00ed kontakt zub\u016f s \u010deln\u00ed plochou ze t\u0159\u00ed variant o \u0161\u00ed\u0159ce 15,875 mm. S hmotnost\u00ed 1,09 kg\/m u standardn\u00edho proveden\u00ed je to nejt\u011b\u017e\u0161\u00ed model \u2013 ale u cestovn\u00edho stroje o hmotnosti 250 kg to nen\u00ed smyslupln\u00fd faktor. V\u00fdhoda \u0159ady 530 v oblasti pevnosti se jasn\u011b projevuje u modelu SX: 530-SX s\u2026 43,0 kN<\/strong> je nejvy\u0161\u0161\u00ed pevnost v tahu v \u0159ad\u011b korejsk\u00fdch motocykl\u016f Ever-Power. Pro pln\u011b nalo\u017een\u00fd cestovn\u00ed motocykl, jeho\u017e celkov\u00e1 hmotnost p\u0159esahuje 450 kg, je konstruk\u010dn\u00ed rezerva modelu 530-SX nad pracovn\u00edm zat\u00ed\u017een\u00edm technicky v po\u0159\u00e1dku i prakticky uspokojiv\u00e1.<\/p>\n

V\u00fd\u0161ka t\u00f3nu:<\/strong> 15,875 mm<\/span>
\nVnit\u0159n\u00ed \u0161\u00ed\u0159ka:<\/strong> 9,53 mm<\/span>
\n\u00d8 v\u00e1lce:<\/strong> 10,14 mm<\/span>
\nTah:<\/strong> 26,5 kN (530-SX: 43,0 kN)<\/span>
\nHmotnost:<\/strong> 1,09 kg\/m\u00b2<\/span>
\nTypick\u00e9 pou\u017eit\u00ed:<\/strong> Cruiser 600 ccm+, cestovn\u00ed, velk\u00fd nah\u00fd<\/span><\/div>\n<\/div>\n<\/div>\n<\/div>\n

<\/p>\n

V\u0161ech p\u011bt velikost\u00ed \u2013 kompletn\u00ed tabulka specifikac\u00ed<\/h2>\n
\n\n\n\n\n\n\n\n\n\n
Velikost<\/th>\nRozte\u010d (mm)<\/th>\nVnit\u0159n\u00ed \u0161\u00ed\u0159ka (mm)<\/th>\n\u00d8 v\u00e1lce (mm)<\/th>\nStandardn\u00ed tah<\/th>\nTop SX Tah<\/th>\nHmotnost (kg\/m\u00b2)<\/th>\nT\u0159\u00edda motoru<\/th>\n<\/tr>\n<\/thead>\n
420<\/td>\n12.700<\/td>\n6.35<\/td>\n7.77<\/td>\n15,6 kN<\/td>\n\u2014<\/td>\n0.57<\/td>\nSk\u00fatr, mini kolo 50\u2013125 ccm<\/td>\n<\/tr>\n
428<\/td>\n12.700<\/td>\n7.85<\/td>\n8.51<\/td>\n17,8 kN<\/td>\n28,0 kN (SX)<\/td>\n0.71<\/td>\n125\u2013250 ccm silni\u010dn\u00ed, ter\u00e9nn\u00ed, enduro<\/td>\n<\/tr>\n
520<\/td>\n15.875<\/td>\n6.35<\/td>\n10.14<\/td>\n26,5 kN<\/td>\n36,0 kN (SX3)<\/td>\n0.91<\/td>\n250\u2013600 ccm sportovn\u00ed, nah\u00fd, MX<\/td>\n<\/tr>\n
525<\/td>\n15.875<\/td>\n7.94<\/td>\n10.14<\/td>\n26,5 kN<\/td>\n40,0 kN (525-SX)<\/td>\n0.98<\/td>\n400\u2013750 ccm Adventure, nah\u00fd dvouv\u00e1lec<\/td>\n<\/tr>\n
530<\/td>\n15.875<\/td>\n9.53<\/td>\n10.14<\/td>\n26,5 kN<\/td>\n43,0 kN (530-SX)<\/td>\n1.09<\/td>\n600 ccm+ cestovn\u00ed, cruiser, velk\u00fd nah\u00fd<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

<\/p>\n

Co m\u016f\u017eete a nem\u016f\u017eete m\u00edchat<\/h2>\n

Rozte\u010d ur\u010duje rozte\u010d zub\u016f \u0159et\u011bzov\u00fdch kol \u2013 \u0159et\u011bzy s rozte\u010d\u00ed 12,70 mm (420, 428) se nebudou spr\u00e1vn\u011b zasouvat do \u0159et\u011bzov\u00fdch kol s rozte\u010d\u00ed 15,875 mm a naopak. V r\u00e1mci stejn\u00e9 \u0159ady rozte\u010d\u00ed se mus\u00ed vnit\u0159n\u00ed \u0161\u00ed\u0159ka tak\u00e9 shodovat s mezerou zub\u016f \u0159et\u011bzov\u00fdch kol. V\u00e1le\u010dek 520 (\u0161\u00ed\u0159ka 6,35 mm) se nebude spr\u00e1vn\u011b usazovat do dr\u00e1\u017eek \u0159et\u011bzov\u00fdch kol ur\u010den\u00fdch pro v\u00e1lec 530 (\u0161\u00ed\u0159ka 9,53 mm) \u2013 u\u017e\u0161\u00ed v\u00e1lec sed\u00ed mezi plochami zub\u016f, nikoli proti nim, co\u017e zp\u016fsobuje okam\u017eit\u00e9 abnorm\u00e1ln\u00ed opot\u0159eben\u00ed.<\/p>\n

\n
\n

\u2713 V\u00fdm\u011bna bez nutnosti nov\u00fdch ozuben\u00fdch kol<\/h3>\n