Sprocket 13 Pit Bike
  • Sprocket 13
    Small wheels, Big ride
  • The Sprocket 13 Pit Bike is a concept for a small wheeled adult motorcycle, also known as a mini-moto, or pit bike.

    It is designed from scratch to have all the durability and technology of full size motorcycles including shaft driven rear wheel enclosed in a single sided swing arm, hydraulic disc brakes, 75cc pull start engine, magnesium wheels, and other performance parts.

    As well as being a concept pit bike, this was also an exercise in 3D modelling using, SolidWorks and Pro-Engineer, and also 3D visualisation, using 3D Studio Max.

  • Front wheel assembly showing mag-wheels, disc brakes, all terrain tyres, suspension, and integrated mudguard.
  • Above images shows attachment of rear wheel using a single custom bolt.
  • Exploded view of swing-arm, shaft drive, and braking assembly, including bearings for pivots and bevel gears of shaft drive.
  • Drive assembly without swing-arm body illustrating how it works.
  • Detail view of swing arm pivot bolt, rear shock, engine pull start, and peddle assembly.
  • View of bolt detail, and fuel cap detail.
  • View of throttle, handlebar grip, cut-off switch, and brake lever assembly.
  • Close up of racing exhaust detail.
  • A foam model was made of the faring and seat using an existing mini-moto, to test the ergonomics of the design. The model above was a very early design.
  • Initial concept sketches exploring shapes, style, and colour
Description
Concept performance pit bike with shaft drive and single sided swing arm
Fields
Product Design, Industrial Design, Engineering
Date
2011