Shimano look to have raised the bar once more, with the long-rumoured Ultegra version of their Di2 electronic road groupset due for release this winter. This second-tier group is expected to be around ...

If you’re looking for a mid-range road bike, it’s likely it will come with either a Shimano Ultegra or 105 Di2 groupset. Both of these performance groupsets from Shimano have electronic shifting, ...