{"id":3531,"date":"2026-04-02T07:45:58","date_gmt":"2026-04-02T07:45:58","guid":{"rendered":"https:\/\/motorcyclechain.top\/?post_type=product&p=3531"},"modified":"2026-04-02T07:48:55","modified_gmt":"2026-04-02T07:48:55","slug":"x-ring-motorcycle-chain-428h-x-520h-x-525h-x-530h-x-korea-ever-power","status":"publish","type":"product","link":"https:\/\/motorcyclechain.top\/cs\/produkt\/x-ring-motorcycle-chain-428h-x-520h-x-525h-x-530h-x-korea-ever-power\/","title":{"rendered":"\u0158et\u011bz X-Ring pro motocykly 428H-X 520H-X 525H-X 530H-X | Korea Ever-Power"},"content":{"rendered":"

Co je to X-krou\u017ekov\u00fd \u0159et\u011bz?<\/h2>\n
\n

An \u0158et\u011bz motocyklu s X-krou\u017ekem<\/strong> je ut\u011bsn\u011bn\u00fd v\u00e1le\u010dkov\u00fd hnac\u00ed \u0159et\u011bz, kter\u00fd pou\u017e\u00edv\u00e1 pry\u017eov\u00e1 t\u011bsn\u011bn\u00ed s pr\u016f\u0159ezem ve tvaru X m\u00edsto kruhov\u00fdch O-krou\u017ek\u016f, kter\u00e9 se nach\u00e1zej\u00ed ve standardn\u00edch ut\u011bsn\u011bn\u00fdch \u0159et\u011bzech. Ka\u017ed\u00e9 t\u011bsn\u011bn\u00ed ve tvaru X m\u00e1 \u010dty\u0159i vyv\u00fd\u0161en\u00e9 b\u0159ity \u2013 dva na ka\u017ed\u00e9 stran\u011b \u2013 kter\u00e9 se dot\u00fdkaj\u00ed \u010deln\u00edch ploch desky, \u010d\u00edm\u017e vytv\u00e1\u0159ej\u00ed dv\u011b samostatn\u00e9 t\u011bsnic\u00ed linie na spoj m\u00edsto jedn\u00e9. Tato geometrie rozkl\u00e1d\u00e1 kontaktn\u00ed tlak t\u011bsn\u011bn\u00ed na men\u0161\u00ed efektivn\u00ed plochu povrchu, co\u017e sni\u017euje t\u0159en\u00ed ve srovn\u00e1n\u00ed s t\u011bsn\u011bn\u00edmi O-krou\u017eky a z\u00e1rove\u0148 ve skute\u010dnosti zlep\u0161uje spolehlivost t\u011bsn\u011bn\u00ed t\u00edm, \u017ee poskytuje sekund\u00e1rn\u00ed kontaktn\u00ed linii v p\u0159\u00edpad\u011b, \u017ee je prvn\u00ed naru\u0161ena mikroskopick\u00fdmi ne\u010distotami nebo povrchov\u00fdmi zm\u011bnami.<\/p>\n

\"\u0158et\u011bz<\/p>\n

V\u00fdsledkem je \u0159et\u011bz, kter\u00fd v hierarchii v\u00fdkonu p\u0159evy\u0161uje standardn\u00ed \u0159et\u011bzy bez t\u011bsn\u011bn\u00ed i konven\u010dn\u00ed konstrukce s O-krou\u017eky: m\u00e1 del\u0161\u00ed dobu mezi maz\u00e1n\u00edmi ne\u017e oba typy \u0159et\u011bz\u016f, m\u00e1 ni\u017e\u0161\u00ed ztr\u00e1ty t\u0159en\u00edm na t\u011bsnic\u00ed plo\u0161e ne\u017e \u0159et\u011bzy s O-krou\u017eky a poskytuje ochranu proti korozi a vnit\u0159n\u00ed zadr\u017eov\u00e1n\u00ed maziva, s \u010d\u00edm\u017e se \u017e\u00e1dn\u00fd \u0159et\u011bz bez t\u011bsn\u011bn\u00ed nevyrovn\u00e1. Spole\u010dnost Korea Ever-Power Motorcycle Chain Co., Ltd. dod\u00e1v\u00e1 \u0159et\u011bzy s X-krou\u017eky ve \u010dty\u0159ech specifikac\u00edch \u2013 428H-X, 520H-X, 525H-X a 530H-X \u2013 v\u0161echny s konstrukc\u00ed pouzder s pln\u00fdm otvorem a t\u011bsn\u011bn\u00edmi NBR X-krou\u017eky.<\/p>\n<\/div>\n

<\/p>\n

Specifikace \u2014 428H-X \/ 520H-X \/ 525H-X \/ 530H-X<\/h2>\n
\n

D\u00e9lky \u010dep\u016f u \u0159et\u011bz\u016f s X-krou\u017eky jsou del\u0161\u00ed ne\u017e u \u0159et\u011bz\u016f bez t\u011bsn\u011bn\u00ed ve stejn\u00e9 rozte\u010di, proto\u017ee dr\u00e1\u017eka pro X-krou\u017eky vyfr\u00e9zovan\u00e1 do vnit\u0159n\u00ed plochy desky p\u0159isp\u00edv\u00e1 k celkov\u00e9mu p\u0159esahu \u010depu v ka\u017ed\u00e9m spoji. N\u00ed\u017ee uveden\u00e9 \u00fadaje o pevnosti v tahu odr\u00e1\u017eej\u00ed testovan\u00e9 pevnosti v tahu na konstrukci s pln\u00fdm pouzdrem s pln\u011b smontovan\u00fdmi t\u011bsn\u011bn\u00edmi s X-krou\u017eky.<\/p>\n<\/div>\n

\n\n\n\n\n\n\n\n\n
\u010c\u00edslo \u0159et\u011bzu<\/th>\nRozte\u010d (mm)<\/th>\nTyp pouzdra<\/th>\n\u0160\u00ed\u0159ka (mm)<\/th>\nPr\u016fm\u011br \u010depu (mm)<\/th>\nD\u00e9lka \u010depu (mm)<\/th>\nPr\u016fm\u011br v\u00e1lce (mm)<\/th>\nVnit\u0159n\u00ed T desky (mm)<\/th>\nVn\u011bj\u0161\u00ed rozm\u011br desky T (mm)<\/th>\nPevnost v tahu (kN)<\/th>\nHmotnost (kg\/m\u00b2)<\/th>\n<\/tr>\n<\/thead>\n
428H-X<\/td>\n12.700<\/td>\nSolidn\u00ed<\/td>\n7.85<\/td>\n4.45<\/td>\n21.60<\/td>\n8.51<\/td>\n2.20<\/td>\n2.03<\/td>\n23.8<\/td>\n1.00<\/td>\n<\/tr>\n
520H-X<\/td>\n15.875<\/td>\nSolidn\u00ed<\/td>\n6.35<\/td>\n5.24<\/td>\n22.00<\/td>\n10.16<\/td>\n2.40<\/td>\n2.40<\/td>\n34.0<\/td>\n1.21<\/td>\n<\/tr>\n
525H-X<\/td>\n15.875<\/td>\nSolidn\u00ed<\/td>\n7.94<\/td>\n5.24<\/td>\n23.80<\/td>\n10.16<\/td>\n2.40<\/td>\n2.40<\/td>\n34.0<\/td>\n1.35<\/td>\n<\/tr>\n
530H-X<\/td>\n15.875<\/td>\nSolidn\u00ed<\/td>\n9.60<\/td>\n5.24<\/td>\n25.40<\/td>\n10.16<\/td>\n2.40<\/td>\n2.40<\/td>\n34.0<\/td>\n1.39<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

<\/p>\n

Standardn\u00ed vs. O-krou\u017eek vs. X-krou\u017eek \u2013 kter\u00fd typ t\u011bsn\u011bn\u00ed je vhodn\u00fd pro va\u0161e j\u00edzdn\u00ed vlastnosti?<\/h2>\n
\n

V\u00fdb\u011br mezi standardn\u00edm \u0159et\u011bzem, \u0159et\u011bzem s O-krou\u017eky a \u0159et\u011bzem s X-krou\u017eky je v z\u00e1sad\u011b rozhodnut\u00edm o tom, na co chcete vynalo\u017eit \u00fasil\u00ed: bu\u010f na \u010dastou \u00fadr\u017ebu, aby leh\u010d\u00ed a levn\u011bj\u0161\u00ed \u0159et\u011bz fungoval dob\u0159e, nebo na vy\u0161\u0161\u00ed po\u010d\u00e1te\u010dn\u00ed n\u00e1klady, kter\u00e9 sn\u00ed\u017e\u00ed n\u00e1roky \u0159et\u011bzu na jeho \u017eivotnost. N\u00ed\u017ee uveden\u00e1 tabulka porovn\u00e1v\u00e1 t\u0159i typy t\u011bsn\u011bn\u00ed v rozm\u011brech, kter\u00e9 v\u011bt\u0161inu jezdc\u016f skute\u010dn\u011b zaj\u00edmaj\u00ed.<\/p>\n

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

\n\n\n\n\n\n\n\n\n\n\n\n\n
Srovn\u00e1vac\u00ed bod<\/th>\nStandardn\u00ed (bez t\u011bsn\u011bn\u00ed)<\/th>\nUt\u011bsn\u011bno O-krou\u017ekem<\/th>\nUt\u011bsn\u011bno X-krou\u017ekem<\/th>\n<\/tr>\n<\/thead>\n
Ut\u011bsn\u011bn\u00ed kontaktn\u00edch ploch<\/td>\n\u017d\u00e1dn\u00fd<\/td>\n1 na ka\u017edou stranu<\/td>\n2 na ka\u017edou stranu<\/td>\n<\/tr>\n
Vnit\u0159n\u00ed zadr\u017eov\u00e1n\u00ed tuku<\/td>\n\u017d\u00e1dn\u00e9 \u2013 vym\u00fdv\u00e1 se<\/td>\nUt\u011bsn\u011bno pro dlouhou \u017eivotnost \u0159et\u011bzu<\/td>\nUt\u011bsn\u011bn\u00e1 redundance s dvojit\u00fdm b\u0159item<\/td>\n<\/tr>\n
Ztr\u00e1ty t\u0159en\u00edm t\u011bsn\u011bn\u00ed<\/td>\n\u017d\u00e1dn\u00e9 (bez pe\u010det\u011b)<\/td>\nM\u00edrn\u00fd<\/td>\nNi\u017e\u0161\u00ed ne\u017e O-krou\u017eek<\/td>\n<\/tr>\n
Interval extern\u00edho maz\u00e1n\u00ed<\/td>\n300\u2013500 km<\/td>\n600\u20131 000 km<\/td>\n800\u20131 200 km<\/td>\n<\/tr>\n
\u017divotnost vs. standardn\u00ed<\/td>\n1\u00d7 (z\u00e1kladn\u00ed hodnota)<\/td>\n~2\u20133\u00d7<\/td>\n~3\u20134\u00d7<\/td>\n<\/tr>\n
V\u00fdkon v bahn\u011b \/ vod\u011b<\/td>\nRychl\u00e1 ztr\u00e1ta mazu v kloubech<\/td>\nDob\u0159e chr\u00e1n\u011bno<\/td>\nNejlep\u0161\u00ed ochrana<\/td>\n<\/tr>\n
N\u00e1kupn\u00ed cena<\/td>\nNejni\u017e\u0161\u00ed<\/td>\nSt\u0159edn\u00ed<\/td>\nVy\u0161\u0161\u00ed<\/td>\n<\/tr>\n
Nejvhodn\u011bj\u0161\u00ed pro<\/td>\nPravideln\u00e1 \u00fadr\u017eba, such\u00e9 silnice, z\u00e1vody<\/td>\nSm\u00ed\u0161en\u00e9 podm\u00ednky, m\u00edrn\u00e9 maz\u00e1n\u00ed<\/td>\nD\u00e1lkov\u00e1 doprava, n\u00e1ro\u010dn\u00e9 podm\u00ednky, nen\u00e1ro\u010dn\u00e1 \u00fadr\u017eba<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
\n

The X-ring’s advantage over O-ring is not dramatic in light conditions \u2014 both outperform standard chains by a large margin. The difference becomes more apparent at higher mileage, in sustained wet or off-road use, and for riders who push their lubrication intervals. If you ride more than 10,000 km per year in mixed conditions, the X-ring’s longer service life and extended lube intervals typically recoup the price premium within one chain replacement cycle.<\/p>\n<\/div>\n

<\/p>\n

Pro\u010d si jezdci vyb\u00edraj\u00ed X-Ring p\u0159ed jin\u00fdmi ut\u011bsn\u011bn\u00fdmi \u0159et\u011bzy<\/h2>\n
\n

Krom\u011b v\u00fd\u0161e uveden\u00e9ho srovn\u00e1n\u00ed geometrie t\u011bsn\u011bn\u00ed nab\u00edzej\u00ed \u0159et\u011bzy s X-krou\u017eky specifick\u00e9 praktick\u00e9 v\u00fdhody, kter\u00e9 se prom\u00edtaj\u00ed do m\u011b\u0159iteln\u00fdch rozd\u00edl\u016f v j\u00edzd\u011b a vlastnictv\u00ed.<\/p>\n<\/div>\n