The Hope Trex 40T Expander Sprocket extends the range of a 10speed 1136 cassette creating an 1140 setup for smoother climbing Fitting seamlessly behind the existing cassette it installs easily without the need for complex modificationsPrecise tooth profiles and shifting points match Shimano cassettes ensuring reliable gear changes Supporting tabs reduce flex improving overall shifting performance Less Btension 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 confidenceFeatures Compatible with Shimano XT and XTR Fits behind existing cassette Hard anodized 7075T6 aluminium Weight 74g

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