Hope - T-Rex Ratio Expander 40T

Hope - T-Rex Ratio Expander 40T



Save: 69%

Availability: In stock

Stock #: B3RJ- Closeout

* Required Fields


Hope 40t-REx (40t ratio expander) allows you to upgrade your existing 11-36 10spd cassette to give an 11-40 range.


  • Adapts a 11-36 10spd cassette to give an 11-40t range
  • T-REX ring installs behind existing cassette, replacing one of the smaller sprockets, usually 17t
  • Shimano and Sram specific tooth profiles and shifting


  • Precise matching of the tooth profiles and shifting points specific to each cassette;
  • Perfect mating of supporting tabs reducing flex and aiding shift performance;
  • Lower B-tension adjustment is needed ensuring good shifting throughout the cassette range compared to fitting a 42t
  • Compatible with: Shimano XT and XTR 11-36 10spd cassettes and Sram PG1030, PG1050 and PG1070 11-36 cassettes
  • Hard anodized 7075T6 aluminium
  • Weight: 74g

Additional Information