Bikemaster 197321 BKM Chains - X-Ring skis-ski-mounts Fits all 1-up models with

Fits all 1-up models with short and long track

1979 Honda NA50

With an IP68 rating for dustproof and waterproof operation

Displacement: 397cc

M8 threading

Bikemaster 197321 BKM Chains - X-Ring skis-ski-mounts Fits all 1-up models withIdeal OEM replacement offering 1. 5 to 2x longer wear resistance than regular O ring chains. Each refined component, designed with computer analysis, provides higher tensile strength. Specially controlled heat treatment means tougher material and more durability. Q4 seal ring and reinforced pin and roller provide superior wear resistance, higher impact resistance and endurance. Q4 seal ring offers less friction, which minimizes power loss, almost half