New reinforced high-quality VOCA crankshaft for tuned scooter models equipped with Minarelli horizontal engine. Elaborated with high-quality materials only, completed with black anodized aluminum inserts which lower the weight of the crankshaft and increase the performance of the engine. VOCA crankshafts are made to resist and to enhance the performance of most powerful cylinders. Equipped with CNC machined connecting rod and silver needle bearing. Standard measures, validated up to 16.000 RPM. Minarelli horizontal 12mm pin Racing crankshaft adaptable for example to Yamaha Aerox, Yamaha Jog, MBK Nitro, MBK Mach G and Beta Ark scooters. Available as well for Derbi Euro2, Derbi Euro 3 and Minarelli AM6 gearbike engines.