Box One 3/32" CNC Crmo Cog-Black stem-length-1-1-8-53mm The Non-Drive side of the

The Non-Drive side of the Optimized freecoaster was designed completely around grinding

•Hollow forged aluminum arms

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5" REAR CENTER: 15

Proprietary Plastic non-drive side hub guard

Box One 3/32" CNC Crmo Cog-Black stem-length-1-1-8-53mm The Non-Drive side of theThe Box One 3 32" CNC Crmo Cog Black is designed to fit Shimano compatible cassette hubs and ONLY Shimano compatible cassette hubs. So no trying to sneak it onto a Campagnolo cassette hub! It works with 3 32" and 1 8" chains, is solid, heat treated CNC chromoly, and has a wider inner base for firm, rock solid contact with the cassette. The "chrome" graphics are actually a result of the whole cog being anodized black then laser etched to create the