NCY, Gear Set (15*38); GY6 150cc GY6 Upgear kit. 7.6% upgear. 50 ton gear press required for install. Get the most out of your big bore kit, with increased top speed and a more usable rev range.20mm W x 20mm I.D
NCY, Gear Set (15*38); GY6 150cc GY6 Upgear kit. 7.6% upgear. 50 ton gear press required for install. Get the most out of your big bore kit, with increased top speed and a more usable rev range.20mm W x 20mm I.D