Hi-speed POLINI for Yamaha Tmax 530

Patented specific self-lubrication system that delivers outstanding performance and performance while maintaining maximum reliability. Thanks to the new rotation regime, accelerations and recoveries are improved. Technical characteristics: thrust spring with load increased by 10%. Nickel special steel ring – cemented chrome, tempered and rectified. It is distinguished by its large capacity interior housing that serves as a lubricant tank, in which there is a special spring that allows constant distribution of fat on the axis, even under the most difficult conditions of use. The inside of the pebble tracks has undergone special treatment to minimize friction