Shimano Tiagra ST-R4720 / BR-4770

ST-4720 Shifter/brake lever and BR-4770 hydraulic flat mount caliper set
Assembled & pre-bled with SM-BH90 hose
Same light action and quick shifting internals as ST-4700
Comfortable hood shape, closely matches the mechanical levers
Reach adjustment
Includes Optislick shift cable, SP-41 shift housing and L03A finned resin pads
-03: front caliper only, with L03A pads; -04: rear caliper only, with L03A pads