Always attentive to the evolution of the 50cc Supermotard and Enduro, Polini Motori has dedicated a new range of expansion valves to these vehicles, with different models developed for installation on the following motorbikes: Aprilia, Beta, Derbi, Gilera, Rieju, Sherco, Yamaha. Approved, they are perfectly matched to the shape of the frame and guarantee good performance, optimised power across all rpm ranges and excellent reliability. The silencer is in black anodised aluminium, and can be easily dismantled for reconditioning.
This product is not approved for road use.
Only for use on private racetracks or grounds