Richard Carapaz has a Di2 shifter inside his shifter at the Giro d’Italia
A Shimano satellite button is positioned inside the hood of his Dura-Ace lever.
Dura-Ace
Gallery: Tom Pidcock racing on ‘old’ Dura-Ace at Algarve
Many pros still on Shimano's 11-speed group for their time trial bikes.
Shimano Dura-Ace R9200 and Ultegra R8100 photos, weights, and prices
Check out Ben Delaney's author page.
Review: Shimano Dura-Ace R9200 refines an already excellent Di2 group
I love the shift performance, the D-Fly integration, the battery life, and the reliability. With the braking changes, Shimano has moved closer to eliminating one major complaint of road discs.
Shimano launches 12-speed, semi-wireless Dura-Ace and Ultegra groupsets
Shift speed and braking improvement, D-Fly Garmin control is integrated, and mechanical shifting goes away.