Hoca Brand +2.5MM Stroker Crank for the GY6 125cc and 150cc engines. Total stroke is 60.3mm.
Overall Length: 285mm
Flywheel Thread Size: M12x1.25
Flywheel Thread Length: 16mm
Drive End Thread Size: M12x1.25
Drive End Thread Length: 16mm
Inner Diameter (piston pin hole): 15mm
Number of Splines: 19
Main bearings included
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