Whilst Shimano will continue to manufacture parts to serve existing set-ups, new Dura-Ace is now Di2 only.
It also features improved disc braking technology. This new 12-speed groupset is semi-wired, with the option of wireless communication from the levers to the derailleurs, which are powered via wires to a central battery mounted within the bike's frame. Shimano Dura-Ace R9100 was superseded by Shimano Dura-Ace 9200 on August, 31 2021.
#Campagnolo 10 vs 11 speed series
If you're looking to replace parts of a groupset make sure that you've got the right series number many parts are cross-compatible between series but some aren't. Within each groupset there's a series number, so the latest Shimano Dura-Ace R9200 supersedes the older Dura-Ace R9100, which itself was a successor to Dura-Ace R9000, etc. Shimano also produces GRX, its first dedicated gravel bike groupset, offering it in both mechanical and electronic 11 speed, as well as mechanical 10 speed, and all with hydraulic disc brakes. Dura-Ace, Ultegra, 105 and Tiagra models offer the option of hydraulic disc brakes as well as rim brakes. The latest versions of Ultegra and Dura-Ace are electronic only, with Shimano's electronic shifting system called Di2. You'll find Ultegra on bikes from around £2500. Ultegra is next and is very similar to Dura-Ace in terms of performance, though Dura-Ace is lighter. Shimano 105 is considered Shimano's first performance groupset, and for many people it is the best option in combining performance, value and longevity. Tiagra is the next step up, followed by Shimano 105 which is typically specced on bikes costing upwards of £1000.
The Japanese brand offers a wide range of groupsets - starting with Claris and Sora, which you'll find on entry level road bikes. The large majority of built road bikes come with a primarily Shimano groupset, though you'll sometimes find they include some components from other brands to keep costs down - such as TRP brakes or FSA chainsets. Read further down the page for information on individual components - whilst you'll find information about the 'big three' providers below.
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