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