Renthal Twinring Heavy Duty Rear Sprocket - Black - 51T - 1120-520-51GPBK

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

Specifications

Product Name	Sprocket
Tooth Count	51
Material	7075-T6 Aluminum
Chain Size	520
Mounting Position	Rear
Type	Drive
Color/Finish	Black
Model	Twinring