SRAM X4 7/8/9-Speed Derailleur Shimano (Canada) the 5000 AS TR is

the 5000 AS TR is also compatible with hookless rims

0 NB 2016 FUSE FUSE COMP 6FATTIE 2016 FUSE FUSE EXPERT 6FATTIE 2016 FUSE FUSE PRO 6FATTIE 2016 RHYME FSR RHYME FSR EXPERT CARBON 6FATTIE 2016 RUZE RUZE COMP 6FATTIE 2016 RUZE RUZE EXPERT 6FATTIE 2016 RUZE RUZE PRO 6FATTIE 2016 SJ FSR SJ FSR CARBON 6FATTIE FRM I1 2016 SJ FSR SJ FSR EXPERT CARBON 6FATTIE I1 2016 SJ FSR SJ FSR SW CARBON 6FATTIE I1

is extremely low friction

Inner Width - 31mm

Durometer: 25a

SRAM X4 7/8/9-Speed Derailleur Shimano (Canada) the 5000 AS TR isFEATURES Low profile design Wide pivot design for superior stiffness during shifts 1: 1 actuation (SRAM shifter compatible) 9 8 7 speed system compatible Min cog: 11T Max cog 34T Front difference 22T max Total capacity : 45T SRAM Model ID: RD X4 A1