Hope T-Rex 40T SR Silver SRAM Ratio Expander Sprocket 1x Cassette Conversion
Manufacturer blurb below:
- Allows you to upgrade your existing 11-36 10spd cassette to give an 11-40T range
- T-Rex installs behind your existing cassette and replaces one of the smaller sprockets, usually the 17T
- Precise matching of the tooth profiles and shifting points specific to each cassette
- Perfect mating of supporting tabs to reduce flex and aiding shift performance
- Lower B-tension adjustment is needed ensuring good shifting throughout the cassette range compared to fitting a 42
Light signs of use.
Sold as pictured. What you see is what you will receive.
Thanks for looking