TRP HY-RD Disc Brake Caliper, Silver
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TRP HY-RD Disc Brake Caliper, SilverTRP HY/RD Post Mount Disc Brake Caliper, Silver
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TRP HY/RD Post Mount Disc Brake Caliper

The TRP HY-RD brake caliper provides the power and modulation of hydraulic disc brakes and is compatible with any cable actuated Shimano and Sram road shift brake lever system, sold as singles - one required for each lever.


Please note: Post mount fitting and rotor sold separately (not included)





  • Hydraulic reservoir provides automatic pad wear adjustment
  • Self-contained caliper incorporates master cylinder
  • Cable actuation means compatibility with all mechanical road and CX brake levers
  • Includes TRP's own ultra-grippy semi-metallic pad
  • Compound works well in dry conditions
  • Composite pistons isolate heat better than steel
  • Manufacturer recommends use with 160mm rotor
Alex Ioakim Feels *almost* like a fully hydro brake. Fantastic upgrade. Very easy to install.
Andy I had Spyre mechanical calipers which were just not powerful enough. I'd tried adjustment and different pads but no improvement. The new caliper has plenty of power and is progressive, the more force you apply the more braking you get. That wasn't true of the Spyres. I just replaced the front caliper and that is enough for me.
Hector I bought this item as a spare, since I already am a happy user of the HY/RD on my Bionic
Mr Macdonald Bought this to replace the TRP Spyre. Much better bit of kit. Well worth the money
Mr Parker Fantastic modulation, Having always had hydraulics (coming from a MTB background) I always felt a little concerned about the braking force of cable disc brakes especially in wet conditions. I've also found that because the way cable disc actuate the pads I've always had uneven wear on pads and also more rotor noise. I would say these TRP HYRD are 80% there in comparison to a full hydraulic setup, Much more modulation and the ability to lock up at all speeds and more importantly in all conditions. If like me you can`t easily upgrade to hydraulic these are a perfect middle ground. For me the cost of new levers, bar tape, calipers and potential cable routing issues meant these were the sensible option and I'm so glad I have.... Buy them!
Mr Williams Got these installed last night and did my first ride. Nice feel overall. Takes a little fiddling to get the lever throw just right on my 5800 shifters, but overall I'm happy. Much better feel than the Spyre it replaced (rear only).