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Ships within 48 hours · Estimated delivery Aug 9 - Aug 14
Chromoly spindle
protective enough for downhill and breathable enough for all your pedaling needs
180 points of engagement
silent engagement and is nearly frictionless
Box One 3/32" CNC Alloy 7075 Cog gear-size-42-9t Chromoly spindleThe 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.
