Shimano Deore Rear Derailleur RD-M5120-SGS mtb 4 GHz and Bluetooth® Smart

4 GHz and Bluetooth® Smart wireless digital speed and cadence sensor

Punk Powder is the future of bike cleaning – the future is here

Adjustable “clam-shells” allow fitting to most vehicles

61Shimano EM810

Shimano Deore Rear Derailleur RD-M5120-SGS mtb 4 GHz and Bluetooth® SmartDescription Deore M5120 Shadow plus 10 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 Direct