Here a very good crankshaft cheap 50cc motorcycle equipped DERBI Euro 3 engine! All the same high grade TNT crankshaft, this vilo TEKNIX offers several improvements over the original crankshaft Derbi engine.

It offers better balance, semi solid masses carved out of the best materials for more pre compression and a reinforcement bottom well this engine. A good item to start on a good basis and cheap accompany a high engine of origin or very unprepared.
technicalities:
-Model Reinforced TEKNIX
Masses: full
-Soies: In Ø20mm like the origin
-Bielle: Reinforced size origin 90mm
-Cage: Original size 12X15X15mm
-Course: Origin: 40.00mm