Ultra-wide ratio with consistent progression. Compatible with HG freehub bodies. Intended for use with Box Prime 9 drivetrains only - may not be compatible with other 9 speed drivetrains. Steel cog and spider construction for improved durability. Read more..
The Box Three Cassette offers high gears with more teeth to withstand the rigors of modern E-Bike riding. E-Bike optimized, but usable on any type of bike.
Ultra-wide ratio with consistent progression. Compatible with HG freehub bodies. Intended for use wi..
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