Variator Pulley (mobile) Doppler ER3 d=100mm Peugeot / MBK 51

Movable pulley variator Doppler ER3 D. 100mm Peugeot / MBK 51.

Doppler is a well-known French brand that has been offering optics and performance parts for 50cc two-wheelers for several decades.

Small parts and accessories also need to be checked regularly and renewed when necessary.

Oversize variator kits (variator, converter and longer V-belt) have a larger conversion range and are designed for higher loads as well as more power and higher rpm. Thus, the higher power is transmitted better, especially with narrow speed bands of tuned engines. Note: When using an overrange kit, the e-starter can no longer be used! With Minarelli also the engine housing must be processed a little.