Shimano's new 105 group for ambitious amateur cyclists brings modern Di2 technology with a 12-speed drive at an excellent price-performance ratio. It offers durability, functionality, and features similar to Dura-Ace and Ultegra. The wireless shifting system is customizable via the Shimano E-Tube app, and the dual-control shift/brake levers ensure precise, energy-saving gear changes. The redesigned brake caliper provides powerful braking with improved ergonomics, making the system easy to maintain and comfortable for all riders.

Technical data:

Material: aluminum, plastic, rubber
STI version: switch | Brake lever for hydraulic disc brakes
Compatibility: Shimano 105 7170 Di2 gear group
Battery: CR1632 button cell
Technology: Synchronized Shifting, Auto-Trim, E-Tube
Gears: 2x12, freely programmable
Grip width adjustment: yes (with tool)
Brake caliper material: aluminum
Brake medium: mineral oil
Mounting: Flat Mount
Screw length: 13 mm (shaft)
Recommended brake discs: Shimano SM-RT70, SM-RT64
Brake pads: L05A-RF resin with cooling fins
Brake line length: 1000 mm (front), 1700 mm (rear)
Color: black (glossy)

Scope of delivery:

• 1x gearshift/brake lever left or right
• 1x flat mount brake caliper front or rear with filled hydraulic lines and mounting material including L05A-RF resin brake pads.