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Ships within 48 hours · Estimated delivery Jul 31 - Aug 5
Black anodized 20mm bolts with precision laser-etched graphics are included
It is designed to be used on 8t or larger cogs
The Neptune Helm sprocket is USA made from 6061 aluminum
Extra-wide aluminum rim
The OLD is 100mm
BlackOps 25t Micro Drive II BMX Sprocket / Chainwheel - Green 48H Black anodized 20mm bolts withThe Black Ops Micro Drive II Sprocket are CNC machined from 6061 T6 aluminum. It has a 15 16" (23. 8mm) bore and is compatible with 1 piece cranks. This will work with 1 2" x 1 8" chains. Size: 25T Color: Green Can be used with a 19mm 3 piece crank with a 19mm adapter.
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