Tektro MD-U511 Disc Brake Caliper – Cable Actuated Mechanical Flat Mount For Linear Pull Levers. The Tektro MD-U511 is a cable-actuated mechanical low profile flat-mount disc brake caliper designed to be used with linear pull brake levers.

• Features an automatic pad angle adjustment via floating plates
• Includes low noise resin pads that are easy to replace
• For use with 1.8mm disc brake rotors (sold separately)
• Barrel adjuster for dialing in