Hope T-Rex Ratio Expander Sprocket


79.99 $ 97.00

Sorry, this item is out of stock


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
  • Lower B-tension adjustment is needed ensuring good shifting throughout the cassette range compared to fitting a 42
  • Hard anodized 7075 T6 Aluminum
  • Compatible with Shimano XT and XTR 11-36 10 speed cassette

Tech Specs:

  • Cassette Body Type: Shimano/SRAM 8, 9, 10 Speed
  • Defined Color: Silver
  • Drivetrain Speeds: 10
  • Intended Cassette Compatibility: Shimano
  • Tooth Count: 40