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Shimano Authorized Retailer FIST Certified

Hope T-Rex Ratio Expander Sprocket 40T for SRAM Silver

Availability:Out of Stock (0 Available)
Retail Price:$85.00
Savings:$2.01 (2%)
Your Price:$82.99

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AEBike Part Number: CR1887
Manufacturer:  Hope
Manufacturer Part Number: TRX40S2
UPC: 5055168071596


Expected restock date: 1/1/1900
T-Rex expands your 10-speed cassettes usable range for extra low gearing. Made in the UK and features specific shift points for factory-level shifting.
  • Precise matching of the tooth profiles and shifting points specific to each cassette
  • Hard anodized 7075 T6 Aluminum
  • Perfect mating of supporting tabs to reduce flex and aiding shift performance
  • Allows you to upgrade your existing 11-36 10spd cassette to give an 11-40T range
  • T-Rex installs behind your existing cassette and replaces one of the smaller sprockets, usually the 17T
  • Lower B-tension adjustment is needed ensuring good shifting throughout the cassette range compared to fitting a 42
  • Compatible with Sram PG10360, PG1050 and PG1070 11-36 cassettes
Item Specifications
Cassette Body TypeShimano/SRAM 8, 9, 10 Speed
Defined ColorSilver
Intended Cassette CompatibilityShimano
Drivetrain Speeds10
Tooth Count40
83 points will be rewarded for our loyalty program when this product is purchased.





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