"O" ring roller chain:

The service life of chains is greatly dependent on the wearing between the pin-shaft and the sleeve, The 'O' ring will greatly reduce the wearing and thus prolong the service life by 5 times. It especially suitable for the adverse environments such as the one bearing water, mud or dust. It is most suitable for high-speed running. Our company can meet the demand of your different requests qualities and prices.

420*100L Standard Motorcycle Roller Chains

Key Specifications/Special Features:
All parts of 420 roller chains are by special surface treatment On the tailor-made special lube, the chains are much more wearable The pins are cutted by high-speed pin cutting machines With specialty, high-strength, strong impact-resistant With highly using dependability Casting parts, whole tempering Heat treatment, surface hardening

428*100L Standard
Motorcycle Roller Chains 428H x 1 Key Specifications/Special Features:
All parts of 428 roller chains are processed by strictly manufacture technology In the tailor-made special lube, the chains are much more wearable With specialty, high strength, strong impact-resistant With high using dependability Casting parts, whole tempering
Heat treatment, surface hardening