The Shimano 105 R7025 Hydraulic Disc STI Flat Mount Calliper Set is slim and ergonomically designed. The Shimano 105 Dual Control Levers are ideal for smaller hands, whilst also offering powerful braking and effortless 11-speed shifting. Shimano 105 R7025 Hydraulic Disc STI Flat Mount Calliper Set Features Lever blade has been shaped to reduce reach for riders with smaller hands Ergonomic short shift arc follows natural hand movement with inward shift stroke distance reduced for rapid and precise gear changes Hydraulic brake lever provides powerful, controllable and consistent stopping power with less effort especially from the hood position Hydraulic reservoir tank provides pad to rotor clearance auto-adjust maintaining braking performance during pad wear Kit includes ST-R7020 STI, BR-R7070 flat mount brake callipers with pads, hoses, and mineral oil (without rotors or adapters) Tuneable reach adjusters enable custom fitment for all hands up to 10 mm Comes complete with Optislick coated cables and silicon greased outer casing to further reduce shift friction and increase service life Easy bleed and clean hydraulic system, for use with Shimano mineral oil only