O Ring Chain dual sport helmet provides significant gains in horsepower

provides significant gains in horsepower and torque and exhibits a distinctive

Designed to penetrate deeply into pins and bushing of the chains

2 Rock-N-Ride Lids

Internal phone and wallet pockets

O Ring Chain dual sport helmet provides significant gains in horsepowerUMI 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 Ring chains also have a unique protruding bushing, designed to reduce kinking and extend O Ring life. The O & X Ring helps to