Octane One Booster Cog
This oversized 42t cog is designed to be used with 10spd cassettes for extending the gear range with 1X drivetrains. CNC machined from 6mm thick AL 7075 T6 plate for great strength. Compatible with both SRAM & Shimano cassettes.

Features:
Designed to extend the gear range with 10 speed 1x drivertrains
Spacer included to work with both SRAM and Shimano cassettes.
Compatible with mid or long cage derailleurs
Replaces usually the 17t cog
Upshifting points
Material: 7075-T6 CNC aluminium
Fits: 11-36t cassettess (11-32t and 11-34t are not compatible)
Compatible with SRAM 10spd: PG-1020 11-36, X5 - PG-1030 11-36, X7 - PG-1050 11-36, X9 - PG-1070 11-36, X9 - PG-1080 11-36
Compatible with SHIMANO 10spd: XT CS-M771 11-36 & XTR M980 11-36
Weight: 80g