Shimano has been working on a cover to shield the rotors of its hydraulic disc brakes. The design, which was filed for a US patent in June 2017, shows a vented structure that covers a majority of the ...
Ultegra Di2 and 105 Di2 are also electronic, before you move into Shimano's mechanical groupsets. These go from 105, which is 12-speed, all the way down to Cues, which has eight speeds. There's ...
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