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

• Renthal Twinring Heavy Duty Rear Sprocket - Orange - 52T , Sprocket Teeth: 52, Color: Orange, Material: Aluminum, Sprocket Size: 520, Sprocket Position: Rear 2240-520-52GPOR
• Orange

Renthal Twinring Heavy Duty Rear Sprocket - Orange - 52T , Sprocket Teeth: 52, Color: Orange, Material: Aluminum, Sprocket Size: 520, Sprocket Position: Rear 2240-520-52GPORRENTHAL