Twinring Heavy Duty Rear Grooved Sprocket, Black - 51 Teeth

Unique flat face design keeps weight to a minimum and means the TwinRing is as narrow as a regular chainwheel, Inner Ring is high strength Ultralight 7075 T6 Aluminum. Outer Ring is Electroless Nickel Coated steel, Outer is expanded at 200C 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 help prevent dirt build up.

• Teeth: 51
• Color: Black