Dura Ace is supposed to be better, but I’m not sure how much better it can be (at least as far as mechanical shifting goes … I’ve yet to try Di2). And if Ultegra is this good, it makes me wonder how ...

now £4499.99| Save £1000.01 at Decathlon Equipped with Shimano's excellent Ultegra R8150 Di2 groupset including wheels, this ...

Sport is the entry-level option, at a very reasonable (for titanium) £3,499 with a Shimano 105 mechanical groupset whilst Enthusiast offers 105 Di2 for £4,099. Pro and Hero use Ultegra Di2 and ...