The ULTEGRA ST-R8170 shifters from the latest Di2 electronic system offer precision and speed at the highest level. Gear shifting is flawless and immediate with the use of the ergonomic Dual Control levers. Replacing the internal mechanical components of the shifters with electronic ones has allowed weight reduction. All derailleur software upgrades are available via the "E-TUBE PROJECT" app. An ideal choice for cyclists who value order and the absence of unnecessary cables on the cockpit, as well as ensuring the fastest gear changes on the market.

Technologies:

• Fast, precise, and reliable gear shifting system with Di2 that offers full control to the cyclist.
• Continuous evolution and improvement of this innovative gear shifting system requires ongoing technological advancement.
• Shimano Di2 - the most advanced technology designed to improve cycling comfort.