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Description
Hope 40t-REx (40t ratio expander) allows you to upgrade your existing 11-36 10spd cassette to give an 11-40t range.
Key Features
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Adapts a 11-36 10spd cassette to give an 11-40t range
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T-REX ring installs behind existing cassette, replacing one of the smaller sprockets, usually 17t
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Shimano and Sram specific tooth profiles and shifting
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Compatible with:
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Shimano XT and XTR 11-36 10spd cassettes
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Sram PG1030, PG1050 and PG1070 11-36 cassettes
40T-Rex Tech Specs >
Shimano and Sram specific 40t sprockets have been designed allowing benefits that wouldn't be possible with a larger sprocket size or with a universal type design:
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Precise matching of the tooth profiles and shifting points specific to each cassette;
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Perfect mating of supporting tabs reducing flex and aiding shift performance;
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Lower B-tension adjustment is needed ensuring good shifting throughout the cassette range compared to fitting a 42t
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Compatible with: Shimano XT and XTR 11-36 10spd cassettes and Sram PG1030, PG1050 and PG1070 11-36 cassettes
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Hard anodized 7075T6 aluminium
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Available in black, silver or gold hard anodised finish
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Weight: 74g
