Hope T-Rex Expander Features
T-Rex expands your 10-speed cassettes usable range for extra low gearing. Made in the UK and features specific shift points for factory-level shifting.- T-Rex expands your 10-speed cassettes usable range for extra low gearing. Made in the UK and features specific shift points for factory-level shifting.
- 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