Paul Components Post Mount / IS Klamper Disc Brake

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Article code ss-lp
Disc Brake Caliper
Type Mechanical
Mounting Post Mount
Pistons One
Rotor included No
Weight 211g


When Paul Components set out to build this brake, nearly four years ago, they started with a clean slate. Then they tried all manner of wacky ideas but eventually wound their way back to the tried and true ball bearing in a ramp system. From there they concentrated on the details. They made the balls bigger for smoothness and increased pad travel. They hardened the steel where the balls contact the ramps. They used three hardened steel pins to locate the pad actuator. Instead of a plastic thrust washer they used a flat needle roller thrust bearing.

Then they moved onto the caliper body. This took countless drawing revisions and probably 20 prototypes. They added “fangs” to the inner backing plate for stiffness, and beefed up the outer caliper body where needed.
The pad adjusters went through a similar process. They wanted easy adjustability but staying power. For that they designed detents into the circumference, located with spring ball plungers.

We believe this is the best mechanical caliper ever made for a bicycle. It’s available in Long Pull, Short Pull, and Campagnolo pull.



  • Weight : 211g
  • Material: 6061 Aluminum, Heat Treated 12L14 Steel
  • Finish : Anodized
  • Brake Pads : Kool Stop Avid Elixer SRAM MTB XX Sintered Metal Compound #KS-D296S
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