Crown 53 teeth in 420 DOPPLER for DERBI SENDA DRD SM, GPS...

The DOPPLER crown is one of the only aluminum machined in an aviation-type alloy. This gives it strength and reliability. In addition, with its innovative design, it will provide a racing look to your vehicle.

This sprocket will be ideal to start again on excellent transmission / chain / sprocket bases! Intended to be mounted on DERBI , APRILIA , GILERA motorcycles

Width 420, available 53 teeth. To optimize your transmission, we advise you to change the chain as well as the sprocket.

Mounts on:

APRILIA RS4 (50cc) from 2011 to 2017

APRILIA RS4 (50cc)

DERBI GPR (50cc)

DERBI SENDA SM DRD EVO (50 cc)

DERBI SENDA SM DRD RACING (50 cc)

DERBI SENDA SM X-TREME (50cc) from 2018

GILERA SMT (50cc) from 2011 to 2017