SHIMANO's first and only 12-speed mechanical groupset is the latest addition to the premium product range. Inspired by the 105 Di2, it offers a wide range of gears at a low cost.

The new 105 ST-R7120 shifter is a tribute to mechanical shifting, the purest form of road cycling.

- Improved braking technology thanks to the new SHIMANO 105 BR-R7170 2-piston calipers
- Wide spacing between pads for easy wheel removal
- Incredibly reliable shifting
- Optimal lever position thanks to the adjustment of the grip width
- One Way Bleeding bleeding system, simple and reliable
- Flat-Mount brake caliper attachment
- L05A-RF resin brake pad with cooling fins
- Brake hose: SM-BH90-JK-SSR front 1000 mm / rear 1700 mm (shortenable)
- Mineral oil
- Weight 310gr