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Shop | Components | Brakes | Disc Brakes | Flat Mount Klamper

Flat Mount Klamper

We think this is the best mechanical disc brake on the market, machined by us here in Chico, California. Flat-Mount Klampers are available in Short-Pull (SRAM/Shimano), Long-Pull, or Campagnolo Pull.

Clear

Technical Information

  • Compatibility
    All Flat-Mount Bicycles
  • Material
    6061 Aluminum, Heat Treated 12L14 Steel
  • Weight
    211g
  • Finish
    Anodized or Polished
  • Anodized Color
    Black, Purple or Silver
  • What is Cable Pull?
    Short Pull, Long Pull or Campagnolo?↓

    Short Pull: This version is designed to work with road levers, including SRAM, Shimano and combined shifter/brake levers. It also works great with the Canti Lever, our short-pull flat bar brake lever.

    Long Pull: This version is designed to work with long-pull brake levers, such as the kind that work with V or linear-pull brakes. Our Love Levers work especially well with this model. It also works well with long-pull drop bar levers, such as the Cane Creek Drop V.

    Campagnolo: Campy uses a super-short cable pull, so this Klamper uses a super short Campy-only actuator arm.

  • Included Brake Pads
    Kool Stop Avid Elixer SRAM MTB XX Sintered Metal Compound #KS-D296S
  • How To Adjust Video
    https://vimeo.com/250397883
  • Exploded Assembly Drawing
    Exploded Assembly Drawing
  • Mounting Instructions
    Exploded Assembly Drawing
  • Will it fit my bike?
    Download

  • Print actual size, do not scale to fit page

Product Videos

Product Story

It took 3 years of in-house development before the Klamper met all of our extremely high goals. We wanted absolute reliability, easy adjustability, and field serviceability. We wanted super strong stopping power but without hydraulic fluid and fussy bleed kits. After countless drawing revisions, fine tuning of piston design and bearing ramp profiles, and probably 20 prototypes, we nailed it, and the Klamper has quickly become a cult classic.

What’s the secret sauce? We don’t want to give away all our engineering secrets, but the bulk of our power comes from using oversized ball bearings, and machining our pistons from 12L14 steel. Using this steel alloy allows us to heat treat the pistons which also hardens the bearing ramp races to resist pitting for a lifetime of silky smooth lever pull. Using flat needle roller thrust bearings instead of a plastic thrust washers doesn’t hurt either.

These brakes are perfect for long mileage deep wilderness bike touring where field serviceability with nothing but a good multitool is crucial to getting back to civilization alive. They’re also great on cyclocross race bikes where tool free independent pad adjustment and a simple cable barrel adjuster means you can fine-tune brake feel specific to course and conditions. We constantly see them on custom built steel hardtails and gravel grinder shred sleds where a rider wants the proven quality of as many American made components as possible.

As with our I.S. Mount Klamper, the Flat-Mount version features interchangeable actuator arms.

We decided not to make rotors. That’s a manufacturing process we do not do, and they are readily available. Floating rotors with large buttons (like Hope) might rub against the caliper, but we’ve had great results with Shimano Ice-Tech, Sram, Avid, and most other rotor brands. The pads we supply are Kool Stop sintered metallic.

As always, allow a couple short rides to bed in the pads. Around the 3rd ride, these brakes really start to BITE!

Replacement pads can be found HERE.

Please note that all of our brakes are sold per wheel.

Related Products

Related products

  • Front Flat Mount Disc Adapters

    $32.00 – $44.00
    Select options
  • Rear Flat Mount Disc Adapter

    $32.00 – $44.00
    Select options

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Our monthly email is an ongoing bike conversation for creative people who spend a lot of time in their garage.
Should we bring back #FixtureFriday ? Before you c Should we bring back #FixtureFriday ? Before you can make all the parts, you have to make all the fixtures, and these aren’t something you can buy off a shelf! All of our production and assembly fixtures are one-offs made by Paul or Patrick or Jacob in the manual machine shop (although Jacob just made our first ever 3D printed fixtures, but that’s a story for a different Friday 😉). 
  This fixture is for pressing the little sealed cartridge-bearings into our Canti and Love levers. Once mounted in an arbor press, a little magnet holds the bearing until you press-fit it into the lever blade with a pull on the arbor press. In theory these bearings could be replaced down the line, but we haven’t had to do it yet. Thank you for attending our Ted Talk, happy Friday! ✌️
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Freshly polished Boxcar stems, ready for packaging Freshly polished Boxcar stems, ready for packaging. ✨🤩✨
This is what our bottle openers looked like back w This is what our bottle openers looked like back when @sierranevada bottle caps were twist-off. 😂
Boxcar Stems are available in 35 through 110mm len Boxcar Stems are available in 35 through 110mm length, and are machined right here in sunny Chico California to the tightest tolerances, using the highest grade 2024 American-milled aerospace aluminum available. Sure, you might see us goofing off and getting weird at bike events, but when we get back to work in the machine shop, we take our work VERY serious!
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  • 11204 Midway
  • Chico, CA 95928
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