Shimano Deore Rear Derailleur RD-M5100-SGS Road Shoe as well as being suitable

as well as being suitable for carrying smaller items

carbon wheels and a Trek Aero RSL one-piece carbon bar/stem

Gear Shifters : Shimano EZ-Fire ST-EF41 18spd

lights and a MIK rear rack

Special design for aero shaped seatposts

Shimano Deore Rear Derailleur RD-M5100-SGS Road Shoe as well as being suitableDescription Deore M5100 Shadow plus 11 speed rear derailleur for dependable shifting performance and durability Shadow plus features a super low profile design and optimized slant angle for super light shifting action Shadow Plus uses a chain stabilising switch that when on will reduce chain bounce in rough terrain maintaining more stable drive and shifting Single tension spring prevents contact with the chainstay resulting in a silent ride 13T