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Shimano Ultegra R8100 Groupset
The Ultegra R8100 is Shimano’s latest offering for riders looking to take their performance to the next level. Drawing heavily on Dura-Ace technology, it brings the same design philosophy and many of the same features, now in a 12-speed configuration. It’s ideal for road cyclists who want reliable, high-performance shifting without the Dura-Ace price tag.
Performance and design
The R8100 shares DNA with the R9200 Dura-Ace series, offering smooth, precise shifting and efficient power transfer. It’s designed for riders who want a competitive edge on club rides, training sessions, or racing, delivering consistent performance across all functions.
Wireless simplicity
The Ultegra R8100 uses Shimano’s updated Di2 platform, making the shifter and derailleur wireless for clean installation and easy operation. The system retains a wired connection between the rear derailleur and the internal battery for reliable charging and power management. The STI shifter buttons are powered by coin-style CR1632 batteries, which generally last 1.5 to 2 years under normal use.
Battery and charging
The groupset comes with an internal battery shared between the front and rear derailleurs, keeping maintenance simple and letting you enjoy your ride with minimal fuss.
Quick reference – key features:
- 12-speed rear derailleur for wide gearing range
- Shares design and performance DNA with Dura-Ace R9200
- Wireless shifter-to-derailleur communication
- Internal battery with simple charging from the rear derailleur
- STI shifter buttons powered by long-life CR1632 coin batteries
- Reliable, precise shifting across all functions