When talking shop with your riding buddies, it’s all about speed and personal bests ... with some shops undercutting retail prices rather significantly in some cases. Shimano brakes, for example, ...
If you want to add the new Ultegra RX derailleur to your current setup, you are likely in luck if you have Shimano 11-speed components. It is 11-speed only, but compatible with any of Shimano’s other ...