Hope

T-Rex 40T Sprocket

Hope 40t-Rex (40t ratio expander) allows you to upgrade your existing 11-36 10spd cassette to give an 11-40 range. T-Rex ring installs behind existing cassette, replacing one of the smaller sprockets, usually 17t.

Specifications:

• Hard anodized 7075T6 aluminium
• Available in black, silver or gold hard anodised finish
• 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
• Shimano and Sram specific tooth profiles and shifting
• Compatible with:
  • Shimano XT and XTR 11-36 10spd cassettes
  • Sram PG1030, PG1050 and PG1070 11-36 cassettes