The HY/RD brings the following

-True 'plug-and-play' compatibility with ALL existing cable actuated systems

-Hydraulic reservoir provides automatic pad wear adjustment

-TRP's own ultra-grippy semi-metallic pad that is Shimano M525/M515 compatible allowing for further customization

- Compound works well in dry conditions but may wear quickly in wet/muddy conditions

-Available in black ano with polished cap

-160mm rotor options will work for both front and rear

- We always recommend using 160 front