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#P8449
Stage6 HPC crankshaft for Derbi D50B0/1 Euro3/4 50cc 2-stroke engines.
This crankshaft is to top choice for racing cylinders. The HPC (high primary compression) design is lighter than others with alloy weights used to balance the crank. A high strength conrod with 14mm wide bearing remains stable at extreme engine speeds, perfect for racing cylinders.
The HPC crankshaft has been designed to be used with Streetrace & Big Racing 88cc kits and can be used with other racing and high-end cylinder kits requiring a 45mm stroke crankshaft.
45mm stroke, 90mm conrod.
Small end bearing included.
Please note: the crankcases will need to be milled to allow for clearance of the conrod.
Stage6 S6-8019310
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