TRP B4 Disc Brake Caliper Adapter (Black) (IS Mount) (180mm Rear)

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This is a TRP International Standard Disc Brake Adapter.


  • Adapts 51mm International Standard (IS) frame and fork mounts to 74mm post mount calipers
  • Allows the fitment of 180mm rotors on the rear

Frame Mount: IS Mount (51mm)
Caliper Mount: Post Mount (74mm)
Rotor Size: 180mm (Rear) 

This product was added to our catalog on February 3, 2022