12V 18000 RPM BMW K1300S Gearbox WITH Motor - 12 mm Inner Diameter - 5 Grooves / 5 Plum – RS550 (Gearbox for Licensed BMW K1300S, Licensed Police Bike, Chilokbo Licensed 283 - 212 police bike)12V 18000 RPM BMW K1300S Gearbox WITH Motor 12 mm Inner Diameter 5 Grooves 5 Plum RS550 This is a Replacement of Licensed BMW Gearbox 5 Grooves The original gearbox is very costly hence this cheaper option was introduced by us 8 years ago in 2016 and others followed us! Simply replace the original gearbox with this gearbox. There is no need of any screws, just keep this gearbox hanging as it is and that's all. Weight (Kgs) 0. 6 Length (Cms) 18 Width