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Shimano 105 ST-R7170 Di2 12-speed road bike right-hand lever with BR-R7170 caliper
Voir les avis clients(1 review)
Wireless transmission, easy installation
Notre avis
The 105 group has always been Shimano's best value for money. The addition of Di2 technology has revolutionised the 105 group, bringing it ever closer to the legendary Ultegra and Dura Ace groups.
Road specialist
For the first time in Shimano’s history, the 105 groupset goes electric with the Di2 drivetrain system. The shape of the grip has been streamlined to improve comfort and access to the brake lever. Gear changes are made simply by pressing the buttons located inside the brake lever with minimal effort. The battery life (CR1632) is 3 to 4 years.
The BR7170 brake caliper ensures powerful and quiet braking in all weather conditions. The piston mechanism allows for rapid return and provides extra space for the brake pads.
Technical specifications
Shimano Di2 drivetrain
Right-hand lever
Rear brake caliper
Hydraulic disc brake
Mineral oil
12-speed
Supplied complete with BH90 brake hose
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We value your opinion
Our customers, our best ambassadors
-
Christophe H. 
Published Apr 13, 2025 at 12:09 pmGood ergonomics, in line with the Ultegra, quick handling, it's all top-notch. (Translated review)
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