Hope 40T-Rex Cogs.
- CNC 7075 aluminum 40t cog adapts a 11-36t 10sp cassette to give an 11-40t range
- T-Rex cog installs behind existing cassette, replacing one of the smaller sprockets, usually 17t
- Longer B limit bolt included, if necessary to adjust the distance of the derailleur pulley from the cog
- HT-9020: compatible with Shimano XT and XTR 11-36t 10sp cassettes
This product was added to our catalog on October 22, 2019