Torque corrector, fixed pulley POLINI EVOLUTION for YAMAHA T MAX 500

Ideal in combination of a mobile pulley POLINI EVOLUTION, here is the fixed pulley with hub of corrector of torque POLINI for YAMAHA T MAX 500 (all models, injection or carburettor). This pulley allows a better exploitation of the variation and a good increase of the performances in baths of recovery, torque, acceleration and even the top speed (gain of 5km / h surroundings).