DID Professional O-Ring Chain Bike_Husqvarna A spark plug must dissipate

A spark plug must dissipate the heat produced by the combustion gasses

Provides high contact pressure against the track surface to enhance traction

EVS BB1 Celtek Air Black Kidney Belt

racing quality

Casing/compound designed to meet the demands of the toughest hard-packed terrain

DID Professional O-Ring Chain Bike_Husqvarna A spark plug must dissipateDID Professional O Ring 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.