Image of Hope 40T-Rex Ratio Expander Sprocket
OPTIONS WITH THIS ICON ARE AVAILABLE FOR CHRISTMAS DELIVERY
Gold 40T - Shimano Dispatched within 6-9 days ID: 73710-231282
£51.98
SAVE 13% £60.00
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Gold 40T - Sram Dispatched within 6-9 days ID: 73710-231283
£51.98
SAVE 13% £60.00
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Black 40T - Sram Dispatched in 1-2 days ID: 73710-231284
£49.78
SAVE 17% £60.00
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Silver 40T - Sram Dispatched within 6-9 days ID: 73710-231285
£49.78
SAVE 17% £60.00
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Silver 40T - Shimano Dispatched within 6-9 days ID: 73710-231286
£50.98
SAVE 15% £60.00
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Black 40T - Shimano Dispatched within 6-9 days ID: 73710-231287
£50.98
SAVE 15% £60.00
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What are the delivery costs?

We offer Free UK Delivery on all orders.

Including: Channel Islands, Isle of Man, Isle of Wight, Northern Ireland, Scottish Highlands and Scottish Islands.

Standard delivery is normally 2 - 5 working days.

International delivery costs and delivery times vary for different countries. Please see here for more information.

Christmas delivery

For guaranteed Christmas delivery please order bikes before 11am, Tuesday 20th December and all other items before 11am, Wednesday 21st December. Guaranteed Christmas delivery applies to all items with the icon, please choose your option/size to see if the specific item you are after qualifies for Christmas delivery.

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

"Giving your cassette big teeth for half the cost"

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