Shimano 105 black 5800 brake set 105 brakes have benefitted from the trickle down of technology from higher level groupsets resulting in them now featuring the dual pivot design resulting in much stronger braking performance with much improved modulation improved efficiency and controllable brake system quoted 10 increase in braking power versus 5700 twin bearings reduces pivot friction higher clearance so can be used with 28mm tyres supplied as a pair with brakepads