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Renthal 1230-520-49GPBK Twinring Heavy Duty Rear Sprocket - Black - 49T


Generally ships to addresses in the contiguous United States the same business day if ordered by 12:15PM Central Time!

Marketing Color: Black
Material: Aluminum
Sprocket Position: Rear
Sprocket Size: 520
Sprocket Teeth: 49

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.

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