Hydros have better feedback and require no adjusting. Once set up,you only replace the pads and bleed the system occasionally(about 2yrs for street bikes,more often for MTBs). I'd be concerned about using them on a folder because you would have to be very careful the lines were never pinched by the folding.
How do you like the Gobike? Wish my Brompton had discs.
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C'dale BBU('05 and '09)/Super Six/Hooligan8and 3,Kona Dew Deluxe,Novara Buzz/Safari,Surly Big Dummy,Marin Pt Reyes,Giant Defy 1,Schwinn DBX SuperSport,Dahon Speed Pro TT,Brompton S6L/S2E-X
