2nd hand Hope 40T-Rex SH Ratio Expander & Shimano Deore XT M771-10 Cassette
10-speed Shimano Deore XT CS-M771-10 cassette AND Hope 40T-Rex Ratio Expander. Combines to make a wide range 11-40teeth MTB cassette. Leeds Bike Mill is a community bike recycling and training co-op, established in 2014.