microSHIFT R8 Rear Derailleur - 89 Speed Long Cage Black MFPN=SB-R400K-R-BK Engineered to be 25% lighter

Engineered to be 25% lighter — so every step feels faster

A thin yet durable mesh top lines the top of the hand and the area between the fingers

but by the adjustable nose and ear pieces designed to dial in your fit

Safe on anodized metal

The Salomon overboot

microSHIFT R8 Rear Derailleur - 89 Speed Long Cage Black MFPN=SB-R400K-R-BK Engineered to be 25% lighterR 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