Crankshaft, connecting rod assembly MAZZUCCHELLI Competition (ignition thread on the left) for MBK 51 / motobecane av10 / av7

New with us! Here is the reinforced MAZZUCCHELLI Competition crankshaft specially designed for MBK 51 engine / av10 / av7 motobecane. This model is cut in good case-hardened steels, has a polished finish connecting rod. Thread on the left ignition side therefore reversed!



In full masses, this vilo will offer you a good pre-compression for more performance. Thanks to its weight, it will offer you more than excellent inertia and a perceived performance gain! It also received a balancing to allow more high revs.



It will go very well with your medium and high power kits. Comes with its needle cage. Clearly, an element combining quality / performance and price! To accompany with good reinforced bearings of original size.

Characteristics:

-Masses: full
-Race: origin
-Soils: in Ø16mm
- Needle cage: Ø13X15X13mm
-Reinforced: yes

-Thread on the ignition side, tightening to the left (inverted).