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Shop | Components | Mounting Solutions | Disc Adapter | I.S. & Post Mount Disc Adapters

Product Videos

Related Products

Related products

  • I.S. Klamper Actuator Arm Kit

    $32.00 – $38.00     Select options

  • Disc Brake Pads

    $24.00     Add to cart

  • Post Mount/I.S. Klamper

    $229.50 – $299.50     Select options

I.S. & Post Mount Disc Adapters

IS or Post Mount, we’ve got you covered: 140 through 203mm. Mount screws with thread lock already applied come with all adapters.

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Technical Information

  • Material
    Aluminum and Heat Treated Steel
  • Weight
    +0mm IS: 15g
    +20mm IS: 16g
    +40mm IS: 26g
    +20mm Post Mount: 21g
    +40mm Post Mount: 21g
  • Finish
    Anodized
  • Color
    Black or Silver
  • Mount
    IS or Post Mount

Product Story

IS mounts are the type with the mounting screws that install horizontally. We make them in +0, +20 and +40. Plus zero are for 160 front and 140 rear rotor sizes. To go bigger just add 20 0r 40mm. So a 180 front rotor will need a +20 and a 200 or 203 will need a +40. (160 plus 40 does not equal 203, but that’s ok).

The post mount version works the same except the caliper mounts to frame or fork directly through the caliper holes. For 160 front  and 140 rear, no adapters are needed. For bigger rotors, you will need the adapters.

For Flat Mount Disc Brake Adapters, click HERE.

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Instagram post 2222142469789144008_25667512 •Part 1 of 2• Holy smokes, the #SierraExplorerBike fabrication is UNDERWAY! When @sierranevada asked us if we’d conjure up another sweet bike to show off at @seaotterclassic (and then give away) we said “Heck yeah!”. Then we asked our buddy Tyler at @btchn.bikes here in Chico if he wanted to build us a rad #BikePacking frame and he said “Hell YES!” and 💣BOOM💥 the project has begun. Here he is using wooden blocks to get some seatstay bends exactly how he wants em. Feel free to ask questions in the comments below🗣, and stay tuned for more process photos! 📺🍿
Paul Component Engineering
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  • 530–345–4371
  • 11204 Midway
  • Chico, CA 95928
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