15mm wrench fits most pedals,but it has to be narrow;many 'regular' wrenches are too wide to fit between the pedal and the crank arm(pedal wrenches are flat). Many pedals also have an Allen head/hex fitting on the inside,behind the crank arm.
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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,Brompton S6L/S2E-X/M6L-X/S12 T Line
