The Crankshaft Doppler endurance with solid mass for motorcycle Derbi GPR is of excellent quality.
It seduces with its price is very low and endurance in time!
Doppler guarantees operation up to 16 000 rpm and it has proven for many years in competition he was one of the highest rated crankshaft with young drivers and motorcyclists.
This crankshaft Doppler Endurance comes with an reinforced Doppler needle bearings 12x16x15mm
