Hope 40T-Rex Cassette Range Expander - SRAM

Hope 40t-REx (40t ratio expander) allows you to upgrade your existing 11-36 10spd cassette to give an 11-40t range.

Key Features

  • 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

  • Compatible with:

  • Shimano XT and XTR 11-36 10spd cassettes

  • 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:

  • Precise matching of the tooth profiles and shifting points specific to each cassette;

  • 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

  • Compatible with: Shimano XT and XTR 11-36 10spd cassettes and Sram PG1030, PG1050 and PG1070 11-36 cassettes

  • Hard anodized 7075T6 aluminium

  • Available in black, silver or gold hard anodised finish

  • Weight: 74g

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Accepted Payment Methods

  • PayPal
  • ApplePay
  • GooglePay
  • Credit/Debit Card

Returns are accepted

Items must be returned within 60 days receipt

Buyer will be responsible for return shipping.

Shop with confidence - If any of our items are unsuitable you can return them for a refund or exchange within 60 days.