{"id":3517,"date":"2026-04-02T06:50:17","date_gmt":"2026-04-02T06:50:17","guid":{"rendered":"https:\/\/motorcyclechain.top\/?post_type=product&p=3517"},"modified":"2026-04-02T06:51:54","modified_gmt":"2026-04-02T06:51:54","slug":"motocross-motorcycle-chain-428-520-series","status":"publish","type":"product","link":"https:\/\/motorcyclechain.top\/sk\/product\/motocross-motorcycle-chain-428-520-series\/","title":{"rendered":"Re\u0165az pre motokrosov\u00e9 motocykle \u2014 s\u00e9ria 428 \/ 520"},"content":{"rendered":"
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Preh\u013ead produktu<\/h2>\n

<\/p>\n

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A re\u0165az na motokrosov\u00fa motorku<\/strong> je \u0161pecializovan\u00fd typ val\u010dekovej hnacej re\u0165aze navrhnut\u00fd tak, aby odolal mechanick\u00fdm n\u00e1rokom jazdy v ter\u00e9ne. V porovnan\u00ed so \u0161tandardnou cestnou re\u0165azou je motokrosov\u00e1 re\u0165az vyroben\u00e1 z pevn\u00fdch puzdier namiesto skr\u00faten\u00fdch, s hrub\u0161\u00edmi bo\u010dn\u00fdmi doskami a \u010dapmi s v\u00e4\u010d\u0161\u00edm priemerom \u2013 to v\u0161etko prispieva k vy\u0161\u0161ej pevnosti v \u0165ahu, v\u00e4\u010d\u0161ej odolnosti vo\u010di r\u00e1zov\u00fdm za\u0165a\u017eeniam generovan\u00fdm skokmi a prudkou akceler\u00e1ciou na sypkom alebo nerovnom povrchu a k dlh\u0161ej \u017eivotnosti v podmienkach, kde by \u0161trk a abraz\u00edvne \u010dastice r\u00fdchlo degradovali \u013eah\u0161iu re\u0165az.<\/p>\n

\"re\u0165az<\/p>\n

Motokrosov\u00e9 re\u0165aze<\/strong> s\u00fa dostupn\u00e9 v dvoch hlavn\u00fdch konfigur\u00e1ci\u00e1ch: neutesnen\u00e9 a utesnen\u00e9. Neutesnen\u00e9 re\u0165aze \u2013 ako napr\u00edklad 428PLUS, 520PLUS a 520K v na\u0161om sortimente \u2013 s\u00fa vo\u013ebou pre s\u00fa\u0165a\u017en\u00e9 preteky, kde sa re\u0165az \u010dasto \u010dist\u00ed a vymie\u0148a a kde sa cen\u00ed hmotnostn\u00e1 v\u00fdhoda neutesnenej kon\u0161trukcie. Utesnen\u00e9 re\u0165aze, ktor\u00e9 maj\u00fa na ka\u017edom spoji \u010dapu a puzdra tesnenia O-kr\u00fa\u017eky alebo X-kr\u00fa\u017eky, s\u00fa vhodnej\u0161ie pre enduro, trail a rekrea\u010dn\u00fa jazdu v ter\u00e9ne, kde s\u00fa intervaly \u00fadr\u017eby dlh\u0161ie a re\u0165az mus\u00ed odol\u00e1va\u0165 ponoreniu do blata a vody pri dlhodobom pou\u017e\u00edvan\u00ed.<\/p>\n<\/div>\n

<\/p>\n

Tabu\u013eka ve\u013ekost\u00ed re\u0165az\u00ed pre motokrosov\u00e9 motocykle<\/h2>\n
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Tabu\u013eka obsahuje p\u00e4\u0165 \u0161pecifik\u00e1ci\u00ed re\u0165az\u00ed \u0161pecifick\u00fdch pre motokros. V\u0161etky pou\u017e\u00edvaj\u00fa puzdr\u00e1 s pln\u00fdm otvorom vyroben\u00e9 z legovanej ocele namiesto zvlnen\u00fdch puzdier, ktor\u00e9 sa nach\u00e1dzaj\u00fa v re\u0165aziach \u0161tandardnej s\u00e9rie \u2013 kon\u0161trukcia s pln\u00fdm puzdrom poskytuje v\u00e4\u010d\u0161iu radi\u00e1lnu tuhos\u0165 a odol\u00e1va deform\u00e1cii pri trvalom r\u00e1zovom za\u0165a\u017een\u00ed, ktor\u00e9 charakterizuje jazdu v motokrose. \u00dadaje o pevnosti v \u0165ahu s\u00fa testovan\u00e9 medzn\u00e9 za\u0165a\u017eenia; pre vypo\u010d\u00edtan\u00e9 prev\u00e1dzkov\u00e9 za\u0165a\u017eenia pou\u017eite vhodn\u00fd bezpe\u010dnostn\u00fd faktor na z\u00e1klade pou\u017eitia a v\u00fdstupn\u00e9ho v\u00fdkonu.<\/p>\n<\/div>\n

\n\n\n\n\n\n\n\n\n\n
\u010c\u00edslo re\u0165aze<\/th>\nRozstup (mm)<\/th>\nTyp puzdra<\/th>\n\u0160\u00edrka (mm)<\/th>\nPriemer \u010dapu (mm)<\/th>\nD\u013a\u017eka \u010dapu (mm)<\/th>\nPriemer valca (mm)<\/th>\nVn\u00fatorn\u00e1 \u0161\u00edrka dosky T (mm)<\/th>\nVonkaj\u0161\u00ed rozmer dosky T (mm)<\/th>\nPevnos\u0165 v \u0165ahu (kN)<\/th>\nHmotnos\u0165 (kg\/m\u00b2)<\/th>\n<\/tr>\n<\/thead>\n
428PLUS<\/td>\n12.700<\/td>\nPevn\u00fd<\/td>\n7.85<\/td>\n4.45<\/td>\n17.30<\/td>\n8.51<\/td>\n1.56<\/td>\n1.56<\/td>\n17.5<\/td>\n0.68<\/td>\n<\/tr>\n
428HPLUS<\/td>\n12.700<\/td>\nPevn\u00fd<\/td>\n7.85<\/td>\n4.45<\/td>\n19.05<\/td>\n8.51<\/td>\n1.96<\/td>\n1.96<\/td>\n20.6<\/td>\n0.85<\/td>\n<\/tr>\n
520PLUS<\/td>\n15.875<\/td>\nPevn\u00fd<\/td>\n6.35<\/td>\n5.24<\/td>\n18.00<\/td>\n10.16<\/td>\n2.03<\/td>\n2.03<\/td>\n28.0<\/td>\n0.96<\/td>\n<\/tr>\n
520MX<\/td>\n15.875<\/td>\nPevn\u00fd<\/td>\n6.35<\/td>\n5.24<\/td>\n18.20<\/td>\n10.16<\/td>\n2.20<\/td>\n2.20<\/td>\n36.0<\/td>\n0.91<\/td>\n<\/tr>\n
520 tis\u00edc<\/td>\n15.875<\/td>\nPevn\u00fd<\/td>\n6.35<\/td>\n5.08<\/td>\n17.60<\/td>\n10.16<\/td>\n1.96<\/td>\n1.96<\/td>\n26.5<\/td>\n0.91<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

<\/p>\n

V\u00fdhody re\u0165aze pre motokrosov\u00e9 motocykle<\/h2>\n
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Motokrosov\u00e9 re\u0165aze s\u00fa navrhnut\u00e9 tak, aby zvl\u00e1dli n\u00e1ro\u010dn\u00e9 podmienky jazdy v ter\u00e9ne. Obsahuj\u00fa prvky, ktor\u00e9 zni\u017euj\u00fa opotrebovanie v podmienkach, kde by sa \u0161tandardn\u00e1 cestn\u00e1 re\u0165az r\u00fdchlo opotrebovala. Medzi konkr\u00e9tne v\u00fdhody v porovnan\u00ed so \u0161tandardn\u00fdmi re\u0165azami, ktor\u00e9 nie s\u00fa ur\u010den\u00e9 na motokros, patria:<\/p>\n

\"re\u0165az<\/p>\n<\/div>\n

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\u2b50<\/span>
\nPevnos\u0165 a odolnos\u0165 pri n\u00e1razovom za\u0165a\u017een\u00ed:<\/strong> Motokrosov\u00e9 re\u0165aze s\u00fa vyroben\u00e9 pre vysok\u00fd v\u00fdkon a kr\u00fatiaci moment ter\u00e9nnych strojov a tie\u017e pre n\u00e1razov\u00e9 sily zo skokov a nerovn\u00e9ho ter\u00e9nu. Pevn\u00e9 puzdr\u00e1 a \u0165a\u017e\u0161ie platne odol\u00e1vaj\u00fa deform\u00e1cii, kde by sa re\u0165az so skr\u00faten\u00fdm puzdrom r\u00fdchlo stla\u010dila a natiahla.<\/p>\n<\/div>\n

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\u2b50<\/span>
\nOdolnos\u0165 proti opotrebovaniu:<\/strong> Pevn\u00e9 puzdro, ktor\u00e9 je v kontakte s kalen\u00fdm \u010dapom, sa opotrebov\u00e1va kontrolovan\u00fdm a pomal\u00fdm tempom. Niektor\u00e9 motokrosov\u00e9 re\u0165aze maj\u00fa tie\u017e tesnenia v tvare O-kr\u00fa\u017eku alebo X-kr\u00fa\u017eku, ktor\u00e9 udr\u017eiavaj\u00fa mazivo vo vn\u00fatri spoja a ne\u010distoty vonku, \u010d\u00edm sa za rovnak\u00fdch podmienok v\u00fdrazne predl\u017euje \u017eivotnos\u0165 v porovnan\u00ed s neutesnen\u00fdmi variantmi.<\/p>\n<\/div>\n

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\u2b50<\/span>
\nEfekt\u00edvny prenos energie:<\/strong> Motokrosov\u00e9 re\u0165aze s\u00fa navrhnut\u00e9 tak, aby pren\u00e1\u0161ali v\u00fdkon z motora na zadn\u00e9 koleso s minim\u00e1lnou stratou energie v d\u00f4sledku ohybu alebo trenia. To priamo ovplyv\u0148uje zr\u00fdchlenie a odozvu plynu \u2013 merate\u013en\u00e9 v s\u00fa\u0165a\u017enej jazde, kde sa po\u010d\u00edtaj\u00fa zlomky sekundy.<\/p>\n<\/div>\n

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\u2b50<\/span>
\nKon\u0161trukcia s optimalizovanou hmotnos\u0165ou:<\/strong> Niektor\u00e9 motokrosov\u00e9 re\u0165aze, vr\u00e1tane 520MX s 0,91 kg\/m, dosahuj\u00fa vysok\u00fa pevnos\u0165 v \u0165ahu (36,0 kN) bez nadmernej hmotnosti. Zn\u00ed\u017een\u00e1 neodpru\u017een\u00e1 rota\u010dn\u00e1 hmotnos\u0165 m\u00e1 hmatate\u013en\u00fd vplyv na ovl\u00e1date\u013enos\u0165 a odozvu zadn\u00e9ho zavesenia kolies v ter\u00e9nnych aplik\u00e1ci\u00e1ch.<\/p>\n<\/div>\n<\/div>\n

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<\/p>\n

Ako napn\u00fa\u0165 re\u0165az na motokrosovom motocykli<\/h2>\n
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Udr\u017eiavanie spr\u00e1vneho napnutia re\u0165aze na motokrosovom motocykli je obzvl\u00e1\u0161\u0165 d\u00f4le\u017eit\u00e9, preto\u017ee jazda v ter\u00e9ne vystavuje pohon extr\u00e9mnej\u0161\u00edm v\u00fdkyvom re\u0165aze ako jazda na ulici \u2013 pr\u00edli\u0161 napnut\u00e1 re\u0165az sa pri plnom stla\u010den\u00ed zadn\u00e9ho odpru\u017eenia zasekne, \u010do m\u00f4\u017ee vies\u0165 k jej pretrhnutiu alebo po\u0161kodeniu kyvnej vidlice. Pr\u00edli\u0161 vo\u013en\u00e1 re\u0165az riskuje vyko\u013eajenie z ozuben\u00e9ho kolesa. Po\u010das akt\u00edvnej jazdnej sez\u00f3ny skontrolujte napnutie pred ka\u017edou jazdou.<\/p>\n<\/div>\n

    \n
  1. 1<\/span>
    \nZaparkujte motocykel na stredovom stojane alebo stojisku v parku.<\/strong> Zadn\u00e9 koleso by malo by\u0165 zdvihnut\u00e9 zo zeme, aby sa mohlo vo\u013ene ot\u00e1\u010da\u0165. Uistite sa, \u017ee motor je vypnut\u00fd a prevodovka je v neutr\u00e1le.<\/li>\n
  2. 2<\/span>
    \nUvo\u013enite maticu zadnej n\u00e1pravy.<\/strong> Pomocou k\u013e\u00fa\u010da alebo obj\u00edmky uvo\u013enite maticu dostato\u010dne na to, aby sa koleso mohlo pohybova\u0165, ale neodstra\u0148ujte ju.<\/li>\n
  3. 3<\/span>
    \nUvo\u013enite nap\u00edna\u010de re\u0165aze<\/strong> na oboch stran\u00e1ch kyvnej vidlice. Oto\u010den\u00edm proti smeru hodinov\u00fdch ru\u010di\u010diek posuniete koleso dopredu a zv\u00e4\u010d\u0161\u00edte v\u00f4\u013eu re\u0165aze, oto\u010den\u00edm v smere hodinov\u00fdch ru\u010di\u010diek ho posuniete dozadu a v\u00f4\u013eu zmen\u0161\u00edte.<\/li>\n
  4. 4<\/span>
    \nZmerajte v\u00f4\u013eu re\u0165aze v strede<\/strong> between the front and rear sprockets along the lower run. For most motocross and off-road bikes, correct slack is 35\u201345 mm of vertical movement. Consult your owner’s manual for the model-specific specification \u2014 motocross bikes require more slack than street bikes to accommodate full suspension compression.<\/li>\n
  5. 5<\/span>
    \nObe strany upravte rovnako.<\/strong> Skontrolujte, \u010di sa zna\u010dky na nastavova\u010di kyvnej vidlice na oboch stran\u00e1ch zhoduj\u00fa. Nerovnomern\u00e9 nastavenie sp\u00f4sobuje, \u017ee zadn\u00e9 koleso sa nakl\u00e1\u0148a, \u010do ur\u00fdch\u013euje opotrebovanie pneumat\u00edk a sp\u00f4sobuje probl\u00e9my s ovl\u00e1dan\u00edm.<\/li>\n
  6. 6<\/span>
    \nUtiahnite poistn\u00e9 matice nastavova\u010da<\/strong> rovnomerne na oboch stran\u00e1ch, ke\u010f sa dosiahne spr\u00e1vna v\u00f4\u013ea.<\/li>\n
  7. 7<\/span>
    \nUtiahnite maticu zadnej n\u00e1pravy<\/strong> pod\u013ea \u0161pecifik\u00e1cie v servisnej pr\u00edru\u010dke. Skontrolujte geometriu kolies pomocou referen\u010dn\u00fdch zna\u010diek na kyvnej vidlici a overte, \u010di je zadn\u00fd brzdov\u00fd strme\u0148 spr\u00e1vne nastaven\u00fd, ak bol naru\u0161en\u00fd.<\/li>\n<\/ol>\n

     <\/p>\n

    \"mont\u00e1\u017e<\/p>\n

    <\/p>\n

    Re\u0165az pre motokros \u2013 materi\u00e1l a kon\u0161trukcia<\/h2>\n
    \n

    Kon\u0161truk\u010dn\u00e9 rozdiely medzi motokrosovou re\u0165azou a \u0161tandardnou cestnou re\u0165azou nie s\u00fa vidite\u013en\u00e9 len v s\u00e9riovom \u010d\u00edsle. Pochopenie toho, \u010do odli\u0161uje ozna\u010denia PLUS a MX od re\u0165aze \u0161tandardnej s\u00e9rie, pom\u00e1ha pri v\u00fdbere spr\u00e1vnej \u0161pecifik\u00e1cie pre dan\u00fa aplik\u00e1ciu.<\/p>\n

    \"re\u0165az<\/p>\n<\/div>\n

    Pevn\u00fd kr\u00edk vs. ku\u010derav\u00fd kr\u00edk<\/h3>\n