The advantages of Di2 (Digital Integrated Intelligence) are clear for everybody who has tested it: changing gears becomes easier, effortless and faster by simply touching the shift buttons. Control…
Shimano Tourney ST-A070 shift/brake levers are ergonomic touch points for operating both the bicycle's brakes and shifting for 2x7 drivetrains. - Optical gear display - Adjustable reach
The SHIMANO ULTEGRA R8000 series shifters guarantee the same level of shifting and braking performance while offering a greater range of reach adjust and lighter front shift action.