Rear pulley shaft and primary gear ratio very close to the origin (15 - 50) for gear box MBK Nitro, Booster, Stunt, Mcah G, Ovetto - Yamaha Aerox, Bw's, Slider, Neos, Jog - Aprilia SR WWW, Stealth,...

Torque driver Nitro, Aerox, Booster, Stunt, Ovetto, Mach G, Neos Top performance with + 8% spring

CNC Red anodised TPR Factory gearbox cover for all scooters with a Minarelli horizontal (Nitro, Aerox, SR, Ovetto, Neos, Beta Ark...) or vertical (Booster, BWS, Stunt, Slider....) engine. With its racing look, this gearbox housing is a real plus that will allow you to optimise the performance of your engine. Indeed, thanks to the addition of bearings, friction is minimized and thus...