The Hope Trex 40T Expander Sprocket extends the range of a 10-speed 11-36 cassette, creating an 11-40 setup for smoother climbing. Fitting seamlessly behind the existing cassette, it installs easily without the need for complex modifications.Precise tooth profiles and shifting points match Shimano cassettes, ensuring reliable gear changes. Supporting tabs reduce flex, improving overall shifting performance. Less B-tension adjustment is required compared to larger sprockets, maintaining consistent performance across all gears. The Hope Trex 40T Expander Sprocket offers a simple solution for riders looking to tackle steeper climbs with confidence.Features:- Compatible with: Shimano XT and XTR - Fits behind existing cassette- Hard anodized 7075T6 aluminium- Weight: 74g

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