Derailleurs

Front derailleur 105 R7150 12-Sp Weld Dual Di2 With the SHIMANO Di2 electronic shifting system, you can switch from the large to the small chainring, or vice versa, whenever you want, while minimising the risk of a chain falling off. Moreover, you can shift behind without having to adjust the front derailleur to avoid chain friction. Complete and...

105 R7150 12-Sp SS Di2 rear derailleur Wide 36T-compatible 12-speed Di2 rear derailleur. The SHIMANO 105 rear derailleur receives the wireless shift signal from the shift lever and, with its powerful motor and optimised shift structure, completes a shift in a fraction of a second. This is the core of the Di2 system, with the charging port, LED indicators, shifters and much more integrated...