There's at least 15 watts in Crr losses from those tubs compared to a proper race tubular. How much do you think your 55mm carbon wheels are saving you?
Any of the usual suspects, Vittoria Corsa, Schwalbe One. You have a £?k bike with Di2, don't scrimp on the only thing that's connecting you and your power to the road.
There's at least 15 watts in Crr losses from those tubs compared to a proper race tubular. How much do you think your 55mm carbon wheels are saving you?