Wolf Tooth 45t Giant Cog for Shimano 11spd.
- Extended range aluminum cog for those wanting 1x11 with an even wider range of gears
- Only fits Shimano SLX/XT/XTR 11sp cassettes
- Requires removal of the 19T and 17T cog from existing cassette while including an 18T to even out gear steps
- May require a longer 11sp chain
- Made in the USA from 7075-T6 aluminum alloy