{"id":3524,"date":"2026-04-02T07:29:32","date_gmt":"2026-04-02T07:29:32","guid":{"rendered":"https:\/\/motorcyclechain.top\/?post_type=product&p=3524"},"modified":"2026-04-02T07:29:34","modified_gmt":"2026-04-02T07:29:34","slug":"o-ring-motorcycle-chain-415-530-h-o-sealed-series","status":"publish","type":"product","link":"https:\/\/motorcyclechain.top\/sk\/product\/o-ring-motorcycle-chain-415-530-h-o-sealed-series\/","title":{"rendered":"Motocyklov\u00e1 re\u0165az s O-kr\u00fa\u017ekom \u2014 s\u00e9ria 415 \u2013 530 HO Sealed"},"content":{"rendered":"
An O-ring motorcycle chain<\/strong> is a type of drive chain that incorporates rubber O-rings between the inner and outer link plates at every pin-bushing joint. When the chain is assembled, these O-rings are compressed slightly against the plate faces, forming a seal that retains factory-applied grease inside the joint and prevents dirt, water, and abrasive particles from entering. Unlike non-sealed chains, which depend entirely on externally applied lubricant to protect the pin-bushing contact surfaces, an O-ring chain carries its own internal lubrication from the moment of assembly \u2014 and that lubrication remains in place for the chain’s entire service life regardless of what the chain passes through during operation.<\/p>\n O-ring chains are an investment that pays back through reduced maintenance demands and longer service life compared to non-sealed equivalents. They are especially well-suited for riders who ride frequently, in wet or dusty conditions, or who cannot always maintain the short lubrication intervals that non-sealed chains require. They are also the practical choice for off-road use, where immersion in mud and water would strip lubricant from a non-sealed chain within a single riding session.<\/p>\n Korea Ever-Power Motorcycle Chain Co., Ltd. supplies O-ring sealed chains across eight specifications: 415H-O, 4205-O, 428HPO, 428H-O, 520-VO, 520H-O, 525H-O, and 530H-O. All use solid-bore bushing construction and NBR nitrile rubber O-ring seals. Tensile strengths range from 10.0 kN on the 415H-O through to 34.0 kN on the 520H-O, 525H-O, and 530H-O.<\/p>\n<\/div>\n <\/p>\n <\/p>\n All eight O-ring motorcycle chain specifications in our range use solid-bore bushings. Pin lengths on O-ring chains are longer than those on non-sealed chains of the same pitch because the O-ring groove machined into the inner plate face and the additional pin projection required to accommodate the O-ring compression displacement add to the overall pin length. All other dimensional data is consistent with standard pitch series specifications.<\/p>\n<\/div>\n <\/p>\n O-ring motorcycle chains offer a number of concrete advantages over non-sealed standard chains. The benefits stem directly from the sealing mechanism \u2014 once the internal grease is protected from the riding environment, a chain’s service life is determined primarily by the wear rate of the sealed components rather than the much faster rate of unlubricated metal-on-metal contact.<\/p>\n <\/p>\n Both O-ring and X-ring motorcycle chains are sealed designs that use rubber elements between the inner and outer link plates to retain internal lubrication and exclude contaminants. The fundamental difference is seal geometry. An O-ring has a circular cross-section; it contacts the plate face at one line around its circumference on each side, creating a single sealing surface per face. An X-ring has an X-shaped cross-section with four raised lips \u2014 two per side \u2014 creating two distinct sealing contact lines per plate face. This gives the X-ring some functional advantages, though also at a higher cost.<\/p>\n Which type suits you depends on riding habits and budget. If you ride primarily on paved roads and the occasional mixed-surface route, an O-ring chain is more than sufficient \u2014 the single-surface seal handles normal street conditions for the full service life of the chain. For sustained off-road, enduro, or extreme-condition riding where maximum seal integrity over a longer maintenance cycle is the priority, an X-ring chain’s additional sealing contact area provides a meaningful advantage.<\/p>\n Motorcycle sprockets and O-ring chains work as a coupled system. The front sprocket is located at the engine’s output shaft and the rear sprocket is attached to the rear wheel hub \u2014 the O-ring chain connects the two and transfers rotational drive between them. When selecting replacement sprockets to pair with an O-ring chain, three factors determine correct fitment: pitch (must match the chain exactly), tooth count (determines final drive ratio and affects acceleration vs. top speed), and hub bore and bolt pattern (must match the wheel hub and sprocket carrier).<\/p>\n Choosing the right combination requires considering how you ride. For street use where broad power delivery and reasonable top speed both matter, OEM tooth counts are a practical starting point. Reducing rear sprocket teeth (or increasing front teeth) raises top speed and reduces low-end pull; the reverse improves acceleration and low-speed torque. Off-road and enduro riders often run slightly lower gearing to improve usable low-range power delivery on technical terrain.<\/p>\n It is important to inspect your sprockets at every chain cleaning interval. Signs that sprockets need replacement alongside the O-ring chain include hook-shaped leading tooth faces, visibly thinned tooth tips, or asymmetric wear on one side of the tooth face. Replacing an O-ring chain on worn sprockets will accelerate the new chain’s wear rate significantly \u2014 always replace chain and both sprockets together as a matched set.<\/p>\n We supply matching sprockets for all O-ring chain pitch sizes \u2014 415, 420, 428, and 520\/525\/530. Browse our full range of motorcycle chains and sprockets<\/a>, or contact us with your motorcycle make, model, and year to confirm tooth counts and fitting dimensions before ordering.<\/p>\n<\/div>\n
<\/p>\nO-Ring Motorcycle Chain Size Chart<\/h2>\n
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\n \n\u010c\u00edslo re\u0165aze<\/th>\n Rozstup (mm)<\/th>\n Typ puzdra<\/th>\n \u0160\u00edrka (mm)<\/th>\n Priemer \u010dapu (mm)<\/th>\n D\u013a\u017eka \u010dapu (mm)<\/th>\n Priemer valca (mm)<\/th>\n Vn\u00fatorn\u00e1 \u0161\u00edrka dosky T (mm)<\/th>\n Vonkaj\u0161\u00ed rozmer dosky T (mm)<\/th>\n Pevnos\u0165 v \u0165ahu (kN)<\/th>\n Hmotnos\u0165 (kg\/m\u00b2)<\/th>\n<\/tr>\n<\/thead>\n \n 415H-O<\/td>\n 12.700<\/td>\n Pevn\u00fd<\/td>\n 4.88<\/td>\n 3.96<\/td>\n 16.10<\/td>\n 7.77<\/td>\n 1.50<\/td>\n 1.50<\/td>\n 10.0<\/td>\n 0.67<\/td>\n<\/tr>\n \n 4205-O<\/td>\n 12.700<\/td>\n Pevn\u00fd<\/td>\n 6.35<\/td>\n 3.96<\/td>\n 18.60<\/td>\n 7.77<\/td>\n 1.50<\/td>\n 1.50<\/td>\n 17.0<\/td>\n 0.75<\/td>\n<\/tr>\n \n 428HPO<\/td>\n 12.700<\/td>\n Pevn\u00fd<\/td>\n 7.85<\/td>\n 4.45<\/td>\n 20.10<\/td>\n 8.51<\/td>\n 2.03<\/td>\n 1.85<\/td>\n 20.6<\/td>\n 0.85<\/td>\n<\/tr>\n \n 428H-O<\/td>\n 12.700<\/td>\n Pevn\u00fd<\/td>\n 7.85<\/td>\n 4.45<\/td>\n 21.60<\/td>\n 8.51<\/td>\n 2.20<\/td>\n 2.03<\/td>\n 23.8<\/td>\n 1.00<\/td>\n<\/tr>\n \n 520-VO<\/td>\n 15.875<\/td>\n Pevn\u00fd<\/td>\n 6.35<\/td>\n 5.24<\/td>\n 20.80<\/td>\n 10.16<\/td>\n 2.20<\/td>\n 2.20<\/td>\n 32.0<\/td>\n 1.11<\/td>\n<\/tr>\n \n 520H-O<\/td>\n 15.875<\/td>\n Pevn\u00fd<\/td>\n 6.35<\/td>\n 5.24<\/td>\n 22.00<\/td>\n 10.16<\/td>\n 2.40<\/td>\n 2.40<\/td>\n 34.0<\/td>\n 1.21<\/td>\n<\/tr>\n \n 525H-O<\/td>\n 15.875<\/td>\n Pevn\u00fd<\/td>\n 7.94<\/td>\n 5.24<\/td>\n 23.80<\/td>\n 10.16<\/td>\n 2.40<\/td>\n 2.40<\/td>\n 34.0<\/td>\n 1.35<\/td>\n<\/tr>\n \n 530H-O<\/td>\n 15.875<\/td>\n Pevn\u00fd<\/td>\n 9.60<\/td>\n 5.24<\/td>\n 25.40<\/td>\n 10.16<\/td>\n 2.40<\/td>\n 2.40<\/td>\n 34.0<\/td>\n 1.39<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n Benefits of the O-Ring Motorcycle Chain<\/h2>\n
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\nExtended service life:<\/strong> O-ring chains last considerably longer than non-sealed equivalents under the same riding conditions \u2014 commonly 2\u20133 times as long in practical use. The rubber seals keep factory grease in the pin-bushing joint throughout the chain’s life, eliminating the primary wear mechanism that causes standard chain elongation: dry metal-to-metal contact as external lubricant is displaced or degrades between maintenance intervals.<\/li>\n
\nReduced maintenance frequency:<\/strong> Because internal lubrication is retained by the seals, O-ring chains do not require the frequent external lubrication intervals that non-sealed chains demand. External lubricant still needs to be applied periodically to protect the roller-to-sprocket contact surfaces and reduce corrosion on the outer plate faces, but the intervals can be longer \u2014 typically every 600\u20131,000 km instead of every 300\u2013500 km for a non-sealed chain in equivalent conditions.<\/li>\n
\nSmoother, more consistent operation:<\/strong> A chain whose internal joints are consistently lubricated throughout its service life maintains more uniform articulation characteristics than one that cycles between lubricated and dry states between maintenance events. This translates to lower noise levels, less vibration transmitted through the chain to the frame, and more consistent power delivery feel \u2014 particularly noticeable at low throttle openings.<\/li>\n
\nBetter corrosion resistance:<\/strong> The O-rings prevent moisture from reaching the pin-bushing contact surfaces inside the joint. Standard chains exposed to rain, road spray, or high humidity corrode from the inside out at the pin-bushing interface \u2014 often invisible from the outside until the chain is already significantly weakened. O-ring chains protect this surface, and their solid bushing construction also has less susceptibility to moisture-induced deformation than curled bushings.<\/li>\n
\nLower wear on sprockets:<\/strong> A chain that maintains accurate pitch throughout its service life causes less accelerated wear on sprocket teeth than one that elongates rapidly. Each link that moves through the sprocket at the correct spacing loads the tooth at the designed contact point; an elongated chain shifts that contact point toward the tip and edge of the tooth, accelerating surface wear and leading to the hook-shaped tooth profiles that in turn accelerate chain wear in a compounding feedback loop.<\/li>\n<\/ul>\nDifference Between O-Ring and X-Ring Motorcycle Chain<\/h2>\n
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\n \nFunkcia<\/th>\n O-kr\u00fa\u017eok na motocyklov\u00fa re\u0165az<\/th>\n Motocyklov\u00e1 re\u0165az X-Ring<\/th>\n<\/tr>\n<\/thead>\n \n Seal shape<\/td>\n Circular<\/td>\n X-shaped<\/td>\n<\/tr>\n \n Sealing surfaces<\/td>\n One<\/td>\n Two<\/td>\n<\/tr>\n \n Friction<\/td>\n Higher<\/td>\n Lower<\/td>\n<\/tr>\n \n Wear resistance<\/td>\n Lower<\/td>\n Higher<\/td>\n<\/tr>\n \n Durability<\/td>\n Shorter<\/td>\n Longer<\/td>\n<\/tr>\n \n Cena<\/td>\n Lower<\/td>\n Higher<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n Motorcycle Sprockets and O-Ring Motorcycle Chains<\/h2>\n
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