Renthal Ultralight Rear Sprocket - 420 Chain Pitch x 50 Teeth - Green - 408U-420-50GEGN feed-mpn-C7416 The unique flat face design

The unique flat face design keeps weight to a minimum and means the Twinring rear chainwheel is as narrow as a standard chainwheel

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Renthal Ultralight Rear Sprocket - 420 Chain Pitch x 50 Teeth - Green - 408U-420-50GEGN feed-mpn-C7416 The unique flat face designRenthal Ultralight Rear Sprocket All rear sprockets are the ultralight design, making them 66 percent lighter than steel, yet incredibly durable They are CNC machined from a specially enhanced 7075 T6 aluminum alloy This sprocket will provide maximum power transfer and long life Renthal Ultralight rear chainwheels are manufactured to extremely tight tolerances from 7075 T6 aluminium alloy which is 66% lighter than steel, yet incredibly durable. Their