Hope T-Rex Expander Sprocket
The Hope 40T-Rex Expander Sprocket provides 10 speed junkies the option of big toothed cogs at a fraction of the cost of an entirely new drivetrain. This 40T cassette expander replaces one of the smaller cogs (usually the 17T) to convert your 11-36T cassette into an 11-40T; it’s really that simple. Medium to long cage rear derailleurs are preferable, but an included 20mm B-Tension screw should get you going if your standard B-Tension screw is not long enough. The Hope 40T-Rex Expander Sprocket will allow you to expand your gear range without requiring new freehub bodies, shifters, and rear derailleurs.
Hope T-Rex Expander Sprocket Specifications
- 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
- 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
- Hard anodized 7075-T6 aluminium
- Weight: 74g
Hope T-Rex Expander Sprocket Compatibility
- Shimano XT and XTR 11-36 10spd cassettes
- SRAM PG1030, PG1050 and PG1070 11-36 cassettes
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