Reinforced 41.4 mm Stock Stroke Racing Crankshaft with Full-Circle Bakelite Structure.
Can Kick out More Torque and Better High RPM Output.
Well Machining Oil Pump Gear for Better Auto Oil Mix function.
Keep Bike Run Easy, Faster and Longer.
High Quality Forge Steel Made for Rigid Structure and Long Time Running.
Full-Circle Bakelite Structure Achieves Higher Crankcase Pressure and Lightweight.
Reinforced Forge Rod Delivers More Torque and High RPM Output.
Well Machining Oil Pump Gear for Better Auto Oil Mix function. and Strength on Pulley Side Axis.
Come with High Quality Oil Seals.
Packed in Well-Known Nice-Looking Silver Box.
Body Wide=34 mm, Rod C/C Length=80 mm, Diameter=74.5 mm.
Stroke=41.4 mm. Unit Weight=1076 g.
Box Size=150*137*125 cm