Solid rollers and bushings for longer wear life and higher impact resistance
Unique protruding bushing reduces kinking and extends chain life
O Ring design increases chain performance and provides better sealing
Reinforced rollers for improved durability in extreme conditions
Summarized by Shop
UMI O-Ring & X-Ring chains are built in Japan where reliability and quality is guaranteed. UMI chain uses the ultimate state of the art technology to ensure performance and durability. All UMI O & X-Ring chains have solid rollers and bushings for longer wear life and reinforced rollers for higher impact resistance. UMI O & X-R