Sram Centera Hand MTB Twist Grip Shifter - 8 Speed Rear Derailleur - RRP £11

Sram Centera Left Hand MTB Twist Shifter - 3 Speed Front - Shimano Compatible

Sram Centera Right Hand MTB Twist Shifter - 8 Speed Rear - Shimano Compatible

SRAM - MRX Shifter Rear Twist Comp 8 Speed Right Fits Shimano (BL431)

SRAM MRX Comp Gripshift Shifter 8 speed Mountain MTB Rear Shimano Compatible

Sram MRX Comp Right Hand MTB Twist Shifter - 7 Speed - Shimano Compatible

SRAM Centera 9-Speed Rear Twist Shifter, Shimano compatible

Shimano RevoShift 7 Speed Right Twist Shifter w/ Cable SL-RS35