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About Renthal Twinring Heavy Duty Rear Sprocket
Renthal Twinring Heavy Duty Rear Sprocket
- 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.
Warning: California Proposition 65