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Crankshaft - Polini Big Evolution (44mm stroke - rod85) - ø13mm
SKU: 210.0021
€363.00
Pre-order item

Product description

The Polini Big Evolution crank is designed for use with the Polini Big Evolution 94ccm cylinder kit and is therefore made with a rod85 connecting rod and has a stroke length of 44mm. It is a full-length crank that increases the primary compression and in addition, the connecting rod is forged, which is why greater strength is obtained. The shaft on the variator side is considerably larger than on a normal crank, which is why the spacer, back plate and bushing for the variator are included, as well as nut, needle bearing and shims. NOTE: The crank is for ø13mm cross sticks and due to the size of the cranks it is necessary to cut the crankcase before this crank can be mounted.

Does it fit?

This item fits the following models:

Aprilia SR 50 2T Euro4 (2018->)
Aprilia SR Factory 50 2T (karburator)
Derbi GP1 50 2T
Gilera DNA 50 2T
Gilera Runner 50 2T LC (before 08/2005)
Gilera Runner SP 50 2T LC (after 08/2005)
Piaggio NRG Mc2 50 2T LC
Piaggio Zip SP 50 2T (after 2006)