microSHIFT R8 Rear Derailleur - 89 Speed Short Cage Black MFPN=SBH-820-RBK double-butted main triangle and 44mm

double-butted main triangle and 44mm headtube

sprinting or climbing

Less compression damping in the Low Speed Compression open position and additional support in the High Speed Compression closed position gives you the traction

Bosch Performance 250W 65Nm motor and Bosch Powerpack 400Wh Lithium-Ion Battery

Model Vector R Z30 SW Size 700c Width 30mm Compound UHP Dynamic Bead Folding Type Tubeless Color Black Weight 325g

microSHIFT R8 Rear Derailleur - 89 Speed Short Cage Black MFPN=SBH-820-RBK double-butted main triangle and 44mmR 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 Largest Cog 28 Color Black Rear Der Shifter Compatibility Shimano Road Rear Derailleur Mount Type 10x1 Standard Drivetrain