On a recent long ride in the Colorado mountains, the rear Shimano R785 hydraulic brake failed on the road bike I was riding as I was descending from 12,000ft to 9,000ft on a -5% paved road in traffic.

IRVINE, CALIFORNIA –Shimano joins the hydraulic cyclocross and road disc brake movement today with its new Ultegra 6870 Di2 and R785 disc brake component launch. Only months ago, the cyclocross world ...