Conversions for 26" Bikes with 135mm rear dropouts

Conversions for 26" Bikes with 135mm rear dropouts


Brake Therapy Disc Brake Conversion Kit-For 26" MTB/135mm


Install disc brakes on any 26" Mountain Bike w/135mm QR dropouts and V-brake mounts. No cutting, welding, or any frame modifications necessary. The original method for converting a bike to disc brakes without disc brake mounts. The only method recommended by most major brake, hub, and frame manufacturers

Compatible with Mountain Bikes with the following parameters:

  • 26" Wheels
  • 135mm Rear Dropouts
  • Existing V-brake Mounts

Compatible with the following Brake Systems:

  • Avid, Formula, Hayes, Hope, Magura, Shimano and more.
  • Hydraulic or Mechanical
  • For use with 74mm post mount calipers and 160mm/6" rotors.

Compatible with most disc specific hubs/wheels

  • Select your hub in the drop-down
  • Separate Hub Kits are available for future or additional hubs/wheels you may have.
  • Check out Brake Therapy for more info on compatibility and installation

Hub and Disc Brake Not included

Available with complete Turn-key Packages with hubs/wheels and brakes, guaranteeing a smooth compatible installation.

*Hubs in the drop-down menu with the following (*) are center-lock hubs that will need the either the

20 MM Center Lock Ring (if you are using a centerlock disc) or the 6 Bolt-Centerlock adaptor  (if you are using a 6 bolt disc), shown below

 **Compatible only with the 2 piece axle for the Chris King ISO hubs.

 Caution: Not to be used with late 90's Klein Attitude or Pulses with rearward facing "micro" dropouts.