Shimano 105 Di2 ST-R7170 Disc Brake 12 Speed Shifter ZIPPMARCH The Service Course 70 Ergo

The Service Course 70 Ergo packs a powerful punch of everything you’d want in a bar – a design based on feedback from pro bike fitters and pro riders

Lightweight and flexible padding that is barely noticeable — ideal for riders who want complete freedom of movement and reliable protection

Multi-Position: Yes

Easier Installation – Independent setup and installation of front derailleur and the K-EDGE Chain Catcher

Shimano 105 Di2 ST-R7170 Disc Brake 12 Speed Shifter ZIPPMARCH The Service Course 70 ErgoWorry free Di2 shifting in a compact shifter size. The Shimano 105 Di2 ST R7170 Disc Brake 12 Speed Shifter brings Di2 electronic shifting to 105 for the first time, delivering precise, intuitive gear changes to even more riders. Reach adjustment and customized button functions let you dial in your ideal ergonomics. Features Clean cockpit: wireless connection enhances the aesthetic of your bike while keeping shifting lightning fast Longer lasting: