RNC Aluminum Sprocket CNC machined from 7075-t651 aerospace grade aluminum
Weighs 2.3 ounces 25t, 2.8 ounces 28t and 2.9 ounces 30t
24mm bore requires spacer for 22mm and 19mm spindles
1/8 thick teeth will not work on 3/32 narrow width chains
100% MADE IN THE USA
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