Hi-Speed Polini Piaggio NRG/Zip

Polini Hi-Speed variators are all right from the development in competition and help improve the performance of your scooter transmission. Performance and reliability concentration Ensure maximum output of transmission Higher rotational speed: improve acceleration and recovery Nickel special steel ring – cemented, dipped and rectified chrome Upper resistance thrust spring Constant grinding of the axis, even in the most extreme conditions of use Minimal Friction: special treatment of pebbles inside Full variant delivered with 1 set of 6 19x15.5 pebbles : 6.3g