TRP Spyre-SLC Disc Brake Caliper (Black/Grey) (Mechanical) (Front or Rear) (Flat Mount)

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Spyre SLC brake calipers utilize two piston movement for evenly applied rotor contact, resulting in optimum braking power and modulation. The SLC version includes a upgraded carbon actuation arm for maximum rigidity and weight savings.


  • Ramped ball bearings offer smooth pad engagement and precise modulation
  • Works with ALL cable actuated road levers. Compressionless (linear strand) housing is highly recommended
  • TRP ultra-grippy semi-metallic pads. These are compatible with Shimano M525/M515 pads
  • Intended for Road and CX use
  • Mounting hardware, rotors and adaptors sold separately
  • Flat Mount

Brake Type: Mechanical Disc
Brake Lever Pull: Short Pull
Brake Mount: Flat Mount
Brake Pads: Semi-Metallic
Barrel Adjuster: Yes
Rotor Included: No
Color: Grey
Weight: -

This product was added to our catalog on March 6, 2019

Verified Owner
Monday, Oct 10 2022 (about a year ago)
TRP Spyre-SLC Disc Brake Caliper (Black/Grey) (Mechanical) (Front or Rear)
These are solid, dependable mechanical disc brake calipers with good stopping power and decent stock pads. I had little issue setting them up on my gravel frame, indeed, they fit better than the calipers that came with the groupset! Aligning the caliper was a little trickier - like hydraulic, you’re supposed to be able to just loosen the caliper and squeeze the brake, but I found I had to personally align it by hand and tighten to get it perfect.

They’re compatible with 6-bolt and CL rotors, and I paired mine with SRAM Paceline CL without a problem. I also recommend a compressionless housing for better performance.

Once the pads were bedded in, I felt the stopping power! These perform as well as my SRAM AXS hydraulic set on one of my road bikes. If you’re looking for a good mechanical set that is compatible with any mechanical groupset, these are the ones.