DID Standard Chain Chain Size:428 x 140 (Steel) Fuel vent line cutout for

Fuel vent line cutout for steering stem access

Valve caps are anodized for corrosion resistance and to give your bike that factory look

Insulates exhaust for maximum fuel burn

Features both large and small axle inserts to fit securely in most axles

DID Standard Chain Chain Size:428 x 140 (Steel) Fuel vent line cutout forDID Standard Chain D. I. Ds PATENTED X Ring construction reduces friction by twisting between the side plates instead of being squashed. Normal O Rings and other makers modified O Rings have squashed points that increase friction. The twisting action of the X Ring disperses the pressure and minimises power loss.