microSHIFT R9 Rear Derailleur - For use 9 10-Speed Shimano Compatible Road Systems Medium Cage BLK MFPN=11.4018.032.004 35mm / 29" / Boost

35mm / 29" / Boost Lower Leg Assembly

Off-set center flap mounted BOA® L6 dial creates a sleeker profile with quick adjustments

4mm drive side spacer)

Lightweight and flexible its compressionless design combined with the included ultra-slick polished inner cables delivers precise shifting performance

9 Advertised Weight 3

microSHIFT R9 Rear Derailleur - For use 9 10-Speed Shimano Compatible Road Systems Medium Cage BLK MFPN=11.4018.032.004 35mm / 29" / BoostmicroSHIFT R9 Rear Derailleur 910 Speed Medium Cage Black. R series rear derailleurs are designed to work with 7 8 9 and 10 speed Shimano compatible road shifters. These R9 rear derailleurs combine the benefits of R10 and R8 rear derailleurs: compatibility friendly weight saving and robust. Weight saving aluminum bracket body and outer link Steel pulley cage for extra chain rub durability Compatible with Shimano 7 8 9 and 10 speed road systems Not