Chris Juden reviews Shimano’s big 36T-sprocket-capacity mech for 10-speed road bikes I’ve used a 9-speed MTB mech (XT Shadow) with 10-speed Ultegra STI to shift an 11-36 cassette on my road bike for ...

Both Dura Ace and Ultegra have had Di2 versions going back to 10-speed days and ... (also the UCI standard for road race bikes). Shimano specs an average weight of 123 grams for the calipers, but that ...