New quality crankshaft from bgm from September 2018.     Full circle 60mm stroke, now comes with bgm manufactured con-rod, and using a bgm big... [more]

New quality crankshaft from bgm.     Full circle 58mm stroke with Yamaha 110mm con-rod fitted.    The crank is fully balanced to reduce... [more]

Complete performance full circle balanced Lambretta crankshaft from bgm. 60mm stroke with 115mm con rod, ideal for using with short crown height pistons.... [more]

Complete performance full circle balanced Lambretta crankshaft from bgm. 58mm stroke with 115mm con rod, ideal for using with short crown height pistons.... [more]