Here you can get a high-quality crankshaft from Naraku for your D50B0 engine.

 This Racing HPC full-circle crankshaft increases the pre-compression in the crankcase, resulting in a significantly better cylinder filling ratio.

 The power output speed shifts to the upper range.

 Including piston pin bearing.

 Suitable for:
 - Derbi (from 2006 onwards)
 - Aprilia (from 2006 onwards)
 - Gilera (from 2006 onwards)