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Item # AVI000D

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  • Black, 20mm post mount ($16.00)
  • Black, 40mm post mount ($8.00)
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Item # AVI000D

Description

Avid's 10, 20, 30, and 40mm Brake Adapters include bolts and spacers to fit a variety of Post Mount configurations. To find the correct components, pick a rotor size and fork/frame interface then reference either Sram's caliper mounting and spacer configurations doc or the tech specs to the side.

  • All necessary bolts and spacers included

Tech Specs

Attachment Type:
140mm rear post mount, 160mm front post mount
Compatibility:
[10mm] 10S fits 170mm Front Rotors, [20mm] 20S/20P fits 180mm Front and 160mm Rear Rotors, [30mm] 40P fits 170mm Rear Rotors, [40mm] 30P fits 200mm Front and 180mm Rear Rotors
Manufacturer Warranty:
2 years

Reviews & Community

REVIEWS

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Swapped for Shimanos

  • Familiarity: I returned this product before using it

I originally got these Avid Post Mount Brake Adapters for my new SRAM Guide RSC Disc Brakes but swapped them for the Shimano Disc Brake Adapters (Item #SHI0108). Much better choice and cleaner look on my bike, no extra washers or spacers required.



Big thanks to Joe Bolton in our Retail Store Bike Shop for getting my new Mach 6 put together. If you are ever in Salt Lake City definitely stop by our Retail Store to check out their bike selection and visit Joe (2607 S 3200 W, Suite A, West Valley UT 84119). Contact me with any questions about these adapters, especially if you are interested in custom building a new mountain bike.



Kyle L. - Expert Gearhead - klivingston@backcountry.com - 801-736-4337



Frame - Pivot Mach 6, Large Stealth Black/Green

Brakes - SRAM Guide RSC Disc Brake - Black Ano, 180mm front/180mm rear

Adapters - Shimano SM-MA-F180, P/P Front

Swapped for Shimanos

Great Solution

    Recently built up a bike with Sram Guide RSC brakes and Centerline X rotors. Use this adapter kit with Guide rotors and brakes to ensure full pad contact on the rotor. I was running the Shimano PP 180mm and found that the rotor contact was slightly off.

    Avg. ride time: 4h 46m per week
    • Average ride time is based on Strava activity over the last 3 months. Give your reviews credibility by connecting your account.

    Gotta have it

    • Familiarity: I've put it through the wringer

    Way cleaner than adapters of old, looks very good and does the job.

    Essential

    • Familiarity: I've put it through the wringer

    I picked up the 20mm post kit, mainly because I needed longer hardware for a Shimano post mount that I had laying around. I'm always happy to have a handful of spare washers and spacers though!

    Buy a set for each wheel

    • Familiarity: I've put it through the wringer

    The kit gives you a "standard" and "CPS" set of spacers. Throw away the spacers you don't need. You will need to buy two sets if you have two identical brakes.

    Avg. ride time: 10h 12m per week
    • Average ride time is based on Strava activity over the last 3 months. Give your reviews credibility by connecting your account.

    Nothing fancy, but they work great!

    • Familiarity: I've put it through the wringer

    Few things are standard anymore and that goes for frame and fork specs or rotor sizes across the various disc brake options that are available. Use these kits to adapt your rotor size to your frame's specs.



    These kits work great and include two sets of hardware so that you'll be set whether or not your brake calipers require CPS washers (many Avid's do). I ordered a couple of kits so that I could run a 160 mm rear rotor on a 140 mm post mount frame and also a 180 mm front rotor on a 160 post mount fork. The included instructions confirmed the correct location of all of the required washers and spacers so that I didn't have to guess.

    Unanswered Question
    Avg. ride time: 12h per week
    • Average ride time is based on Strava activity over the last 3 months. Give your reviews credibility by connecting your account.

    My 2012 Specialized Stumpjumper HT is 140mm...

    My 2012 Specialized Stumpjumper HT is 140mm post-mount rear with the 20mm spacers on it to work with the 160mm rotor/Avid Elixir 7s that came stock on the bike. I'm swapping the brakes out for Shimano XTs with 160mm rotors. Can I just continue to use the Avid spacers that are already on the post mounts? Do I need to get the Shimano-specific post-mount adapter?