Derbi D50B Polini Race Crankshaft

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Race crankshaft from Polini for the late model D50B Derbi engines. 

This is for 2006 or newer model engines found in the Derbi GPR/Senda, Aprilia RS50/RX50, and more. 

From Polini:

Polini Motori dedicates all its experience to the Enduro and Motard 50cc motorcycles
by developing the brand new Polini For Race crankshaft.

It has been designed for Piaggio, Derbi engines (D50B from 2006) with the aim to
improve the quality and the performance of the original spare parts.

Same as per the racing engines it is born with the coil machined from a block with the
aim to optimize the performance and resistance to stresses. It is perfect both for 50cc
and 80cc tuned-up engines.

Do not limit your rpm: Polini brings you higher with a performing and reliable product.
Polini Crankshaft for Piaggio, Derbi engines: item 210.0053