microSHIFT R8 Rear Derailleur - 89 Speed Short Cage Black SID RLC A1/SID XX/RL B1/Reba A7 80mm 29 8790 HMB Deep socket wrench

8790 HMB Deep socket wrench insert size 15 for use in cap socket couplings

174mm Q Factor

TechBelt casing adds a layer of high cut resistant fabric underneath the tread to provide superior puncture protection in a wide variety of conditions

Compact fold flattens the trailer for easy storage and transportation

Flux 2 (T2980

microSHIFT R8 Rear Derailleur - 89 Speed Short Cage Black SID RLC A1/SID XX/RL B1/Reba A7 80mm 29 8790 HMB Deep socket wrenchmicroSHIFT R8 Rear Derailleur 89 Speed Short Cage Black. R series rear derailleurs are designed to work with 7 8 9 and 10 speed Shimano compatible road shifters. These R8 rear derailleurs have composite and steel parts that weigh more but have the same durability and performance as R9 and R10. Steel pulley cage for extra durability Not compatible with Shimano Tiagra 4700 road system TECH SPECS Largest Cog 28 Color Black Rear Der Shifter Compatibility