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Parameters

weight
74 g
colour
silver, gold
speed
40T Shimano, 40T SRAM

Description

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

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