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Hope - 40 T-Rex Cog (Bicycle)

Product Code: hope-40t-rex-cog

Unfortunately this product has been discontinued by the manufacturer and is no longer available.

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Hope - 40 T-Rex Cog

 

The Hope T-Rex ratio expander allows you to upgrade your existing 11-36 10spd cassette to give an 11-40T range. The T-Rex simply installs behind your existing cassette and replaces one of the smaller sprockets, usually the 17T.

Shimano and Sram specific 40T sprockets have been designed, this gives us the following benefits which wouldn’t be possible with a larger sprocket size or with a universal type design…

Features:

  • 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

Specifications:

  • Shimano version compatible with XT and XTR 11-36 10spd cassettes
  • Sram version compatible with PG1030, PG1050 and PG1070 11-36 cassettes
  • 7075-T6 aluminium
  • CNC machined in Barnoldswick, England