Cassettes/Freewheels

7 of the cogs on SRAM's flyweight XG-999 Cassette are precision machined from a single steel block, resulting in a revolutionary cassette that shifts like a dream, is incredibly light and extra durable. And, the cassette boasts a unique open design that clears mud and debris ensuring smooth, precision shifts every time!

SRAM made the XG-1080 10-Speed Cassette out of individual cogs then riveted them together. This results in an incredibly light and extra durable cassette with a unique open design that clears mud and debris ensuring smooth, precision shifts every time! To keep weight low, the 36T cog in this X0-level cassette is made of aluminum.

- Cold-forged chromoly construction - 8 splines for removal - Oversize 3-pawl design - Heavy-duty use freewheel - 13T and 14T fit Flip-Flop hubs only - Speeds: Single - Width: 3/32"