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Mavic Ex 823 Disc 26" Rim

Item #: RI255A14
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USD$104.95
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Featuring Mavics most innovative technologies, such as SUP welding and Fore Drilling, EX 823 Disc is the only true UST rim available for downhillers and freeriders. Ridden by the most talented and aggressive of them, it has proven to be strong enough to withstand the worst abuses.
Features
  • Maxtal: Exclusive to Mavic. An aluminum alloy that is 30% more resistant than a 6106 alloy, for lighter and stronger rims.
  • SUP: Soudé Usiné Process. After bending, the rim joint is arc welded. The welded seam is then milled for a smooth finish. A welded and milled rim joint is extremely strong, eliminates shuddering when braking, and offers superior wheel balance.
  • FORE: Only one of the 2 rim wall is "drilled." The rim is 4 times more resistant to fatigue stress - 20% increase in the rim rigidity to transfer all of your energy to the ground.
  • Aluminum threaded eyelets (supplied with the rim)
  • UST Tubeless or Clincher
  • Disc
Dimensions
  • ETRTO compatible size: 559 x 23
  • Recommended tire widths: 2.30 to 3.00
  • Valve hole diameter: 6.5 mm
  • Recommended nipple length: 16 mm
  • Do not use any rim tape

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REVIEW SNAPSHOT®

by PowerReviews
Mavic Ex 823 Disc 26" Rim
 
4.6

(based on 7 reviews)

Ratings Distribution

  • 5 Stars

     

    (5)

  • 4 Stars

     

    (1)

  • 3 Stars

     

    (1)

  • 2 Stars

     

    (0)

  • 1 Stars

     

    (0)

100%

of respondents would recommend this to a friend.

Pros

  • Durable (3)

Cons

    Best Uses

      Reviewed by 7 customers

      Sort by

      Displaying reviews 1-7

      Back to top

       
      5.0

      Buy the insert tool!

      By ki5ka

      from Arizona

      About Me Avid Cyclist

      Pros

      • 36 Hole Tubeless
      • Durable

      Cons

      • Difficult To Install
      • Inserts

      Best Uses

      • Downhill
      • Tandem Mountain

      Comments about Mavic Ex 823 Disc 26" Rim:

      Buy the insert tool Mavic part # M40630! If you get the PARK SW 12, get the Mavic tool as well. The Park tool works well for final torquing, but cannot be spun between spokes. There are 72 inserts in a 36 spoke build and 18 threads on each insert. If you are using the Park tool, it must be removed and replaced over 4000 times for one build.

      • Was this a gift?:
      • No
       
      3.0

      Valve Stems Too Short

      By Patrick

      from Yuba City, CA

      Verified Reviewer

      Comments about Mavic Ex 823 Disc 26" Rim:

      The UST valve stems that are provided with these rims are too short. I was able to get about one thread of engagement with the nut that secures them to the rim. There wasn't enough length of the stem protruding past the nut for me to use either my Park floor pump or my hand pump on the stems. I had to use a standard Presta/Schrader adapter instead. The Schrader adapters included with the valve stems did not work with my air compressor because the tip of the valve stem was too far down in the hole to touch the center of air nozzle on my compressor. I ended up buying a set of Stan's NoTubes 44mm valves.

      The spoke length calculator on Mavic's website told me to use the wrong length of spoke. I built these rims up with 36h Hope Evo Pro II hubs, and the calculator came up with 254mm. This length was about 2mm too short for use with standard 12mm nipples, but they recommend using 16mm nipples, which add about 2.3mm to the overall length of the spoke. I ended up using 250mm spokes, which are a full 4mm shorter than what the spoke length calculator said.

      Do use 16mm nipples, as the spoke wrench will not be able to fully engage the square drive section of 12mm nipples, preventing you from being able to tighten the spokes adequately.

      The rims come with the UST spoke eyelets, but you will have to buy the M40630 eyelet tool separately.

      These rims are very nice and rigid, and I like not having to use a tubeless rim strip.

       
      5.0

      Good Rim

      By cmr454

      from Hesperia, CA

      About Me Competitive Cyclist

      Pros

      • Durable
      • Easy To Install

      Cons

        Best Uses

        • Mountain Biking

        Comments about Mavic Ex 823 Disc 26" Rim:

        I am a fairly hard rider and did quite a bit a research before I built my wheels, and this was the rim to buy. I have had the wheels for about 6 months now and haven't had to retrue them (done my fair share of hard landings too) worth it if you want something durable.

        • Was this a gift?:
        • No
         
        5.0

        Great, tough rim

        By Rim rock dropper

        from Rifle, CO

        Verified Reviewer

        Comments about Mavic Ex 823 Disc 26" Rim:

        Even though these can be a bit heavy for trail riding, these rims are bomb-proof! I've used these for years at the bike park and they have stayed perfectly true. I'm not a heavy dude but I can be a hack! I also love tubeless so here you don't have to mess with strips or conversion kits - beautiful.

         
        5.0

        Great rim

        By Phill

        from Va

        Verified Buyer

        Pros

        • Super Strong Rim

        Cons

          Best Uses

            Comments about Mavic Ex 823 Disc 26" Rim:

            Great rim. It's super strong and not that heavy. Running tubeless is easy with these rims

            (2 of 2 customers found this review helpful)

             
            5.0

            Bombproof Rim

            By playbiker

            from Canada

            Verified Reviewer

            Pros

            • Durable
            • Stiff
            • Strong

            Cons

              Best Uses

              • DH
              • Freeride

              Comments about Mavic Ex 823 Disc 26" Rim:

              I've been running these rims on my DH bike for a couple years and they are still straight. I've taken some pretty hard landings in the past and overall I'm not a very smooth rider but these rims seem to take a beating and stay straight and without any flat spots.
              These are a very good investment if you are looking for a bombproof wheel that you can abuse.
              Overall very satisfied with this product and I would recommend to people. Can't beat Mavic quality!!

              (1 of 1 customers found this review helpful)

               
              4.0

              My favourite!

              By R-MAC

              from Kelowna, BC

              Verified Reviewer

              Comments about Mavic Ex 823 Disc 26" Rim:

              I'm a tubeless fan and finding a UST rim for DH is limited. I've been running these rims for years. They are expensive, heavy and sometimes burp at the park but they are strong enough to last me a couple seasons - and they're tubeless!

              Displaying reviews 1-7

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