When assembling the crankshaft Doppler, the needle cage must be adapted to the dimensions of the piston. It is imperative to check that the rating is the same as the original, otherwise your engine will be damaged.
New crankshaft adaptable Doppler for RS, SX, GPR, Senda Xtreme Xrace, DRD, SMT, RCR, SC3 ...
Crankshaft for 50 brand box Doppler have been specially designed to optimize the performance of your 50 cm3 engine. Indeed, they make it possible to obtain better results on the engine speed curves as well in acceleration as in pure speed and agree perfectly with an exhaust racing 50 cm3.
Thanks to their reinforced connecting rods, these linkages will guarantee you an excellent reliability and a great longevity for a daily use.
This article was specially designed to offer you a similar product originally, compatible with your 50 box at the best value for money.
Crankshaft assembly
Doppler Nine for motorcycle 50 cm3 with box
Compatible with all motor models Derbi Climb on Aprilia RS RS4, SX, Derbi GPR, Senda Xtreme Xrace, DRD, Gilera SMT, RCR, Speedcool SC3 and SC4 ... According to models
Compatibility models for guidance, it is advisable to disassemble the part to be replaced beforehand and check the correspondence with pictures and dimensions indicated on the site.