• Octane One Booster Cog

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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.


  • 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

Buy Octane One Components from Chain Reaction Cycles, the World’s Largest Online Bike Store.

  • Delivery costFREE
  • Delivery toUSA
  • 365 Days return or exchange

    If you're not completely satisfied with an item you may return it within 12 months of purchase. We'll give you a full refund if the item hasn't been used or the component hasn’t been fitted.

    More information on returns
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Buying Guide

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