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#P8857
BGM PRO racing crankshaft for Vespa PK50 XL scooters.
Forged crankshaft, the high density material dissipates heat well, the material is resistant to distortion allowing for higher compression ratios to be achieved safely. Suitable for 50-112cc cylinders.
Big cone: 20mm
Rotary valve type
Small end bearing: 12mm
BGM BGM2400
