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Box One Single Speed Aluminum Cogs
silent engagement and is nearly frictionless
Max inflate to 65psi
It is a great sized wrench to bike tour with
Box One 3/32" CNC Alloy 7075 Cog gear-size-42-9t Box One Single Speed AluminumThe Box One 3 32in CNC Alloy 7075 Cog Gold at J&R Bicycles is made from high strength aircraft grade 7075 aluminum alloy making it lightweight and durable. This cog features a 5mm wide inner base which allows for more contact with the body of the cassette and delivers more efficient power to your pedaling. Designed to fit Shimano compatible cassette hubs and available in multiple color options, this cog is finished off with laser etched graphics.
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