Crankshaft, connecting rod assembly TOP PERFORMANCES race 40mm for mécaboite driving DERBI euro 1 & 2 except GPR

Ideal for a very low price, this small crankshaft TOP PERFORMANCES is very good, it is well reinforced, apart from this, as he originally had no specific work at balancing and non-solid masses .

It will be good on the small kit 50cc or 70cc small that requires a large volume low engine. For DERBI euro 1 & 2 except GPR / motor fader / balance shaft.

Delivered with needle cage, ribs, rod size range of bearings ... as the origin. Cut in best steels! Reinforced rod.