Description
To be stronger
BEAM SPIDER construction cuts weights and boosts stiffness
It attaches to the saddle easily via hook-and-loop straps
To save weight
105 RD-5800 DF To be strongerShimano's 105 Rear Derailleur delivers high end function with upscale looks. With a body of light, durable cold forged aluminum in Shimano's wide pivot design with their light action spring, rear shifting is practically effortless and always super smooth.