The longest lasting most durable off-road sprocket you can buy developed over 5 years.

The unique flat face design keeps weight to a minimum and means the TwinRing's as narrow as a regular chainwheel.

• Inner Ring is high strength Ultralight 7075 T6 Aluminium. Outer Ring is Electroless Nickel Coated steel
  
  
• Outer is expanded at 200 ?C and then fitted to inner, creating a permanent bond for the life of the sprocket
  
  
• Precision CNC machined to extremely tight tolerances
  
  
• Flat socket head screws add additional strength to the chainwheel during side impacts
  
  
• Self-cleaning mud grooves between every tooth on both sides prevent dirt build up.
  
  
• Available for most popular dirt bikes with a 520 chain in sizes ranging from 47 to 53
  
  
• Extensively tested by David Knight and Team Honda Off-road