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!
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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.
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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).