It’s been long been rumored and inevitable after Shimano unveiled R9100 Dura-Ace, but now the Ultegra groupset has received an ... Direct Mount Type Brake Caliper (Under Bottom Bracket option) Precise ...

Here’s how it works. Shimano’s new Ultegra groupset has now been officially announced. Dubbed R8000 for the mechanical version and R8070 for the electronic Di2 variant with hydraulic disc ...