microSHIFT R8 Rear Derailleur - 89 Speed Long Cage Black MFPN=281-31520-K001 8 Bar Top Style Flat

8 Bar Top Style Flat Bar Reach (mm) 136 Color Matte Black Bar Drop (mm) 120 Weight 315 Drop Bend Style Anatomic Cable Routing External Material Aluminum Width Measurement Center Width 42 Defined Color Black Clip-on Compatible Yes

8 Color Risky Red Flange No Lock On Yes Weight 107 Grip Shift Specific No Defined Color Red Shape Round

Color Black/Anthracite TPI 120 Defined Color Black ISO Width (mm) 66 ISO Diameter 622 / Road / 29" Tire Intended Use Mountain Tire Diameter 29" Tire Bead Folding Labeled Size 29 x 2

}Sun Ringle Helix TR27 SL Rim - 27

}SRAM X-Sync 2 Eagle Chainring - 38 Tooth 104mm BCD 12-Speed Black

microSHIFT R8 Rear Derailleur - 89 Speed Long Cage Black MFPN=281-31520-K001 8 Bar Top Style FlatmicroSHIFT R8 Rear Derailleur 89 Speed Long 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