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  1. #1
    mtbr member
    Join Date
    Mar 2005

    I'm a believer--Converted Ibis Wheelset to Tubeless

    I'd been toying with the idea of trying to convert my Mojo C Ibis branded wheelset to tubeless for the last year or so. Just to be clear--this is the wheelset with Joytech hubs and Alex SX44 rims.

    I read up on various conversions and decided to try a blended approach. I used Gorilla tape to seal the rim, Stans valve stems (b/c the shop had some on the shelf), Stans sealant (didn't want to hassle with homemade for my first conversion) and Specialized 2Bliss Tires. I set up a 2.3 Ground Control on front and 2.2 Fast Trak on the rear.

    Having never done this, I wasn't sure how easy it would be to get the bead to seat, but with my compressor they beaded up quickly. I had to re-seat one tire to get the bead even. I left the tires at about 65psi and took them for a quick 3 mile spin to get the sealant distributed. After sitting overnight there was minimal air loss. I let the pressure out to about 26/32 ft/r and went for a ride on a standard loop. I am amazed at the ride difference over my Nevgals. I know the difference is likely a combination of new tire and tubeless setup, but being able to run lower pressure really seems to make a difference.

    Setting up the tubeless was much more pain free than I anticipated. If you have this wheelset and haven't tried it, I can vouch for the formula I used.

    I did learn an important lesson about tire pressure--I dumped a bit of air from the front tire to see how low I could get away with running on a fast flowing trail. I rolled into a tight, downhill, rutted, turn and broke the bead free. Sealant and air were my reward. I did manage to get the bead set again with just my small pack pump and finish the ride--note to self: don't be stupid with air pressure.

    I've got a team based endurance race in 2 weeks. At this point, if all continues to run well, I'm feeling confident in this setup for the race. The increase in traction and decrease in rolling resistance is easily felt.

  2. #2
    mtbr member
    Join Date
    May 2011
    Tape works great.....remember part of the reason for the stan's kit is the extra rubbber takes up a bit of the room in the rim where the bead clinch's. It helps to keep the bead tight against a non-tubeless rim. So if you're burping a lot then try the stan's strip. I had them on a WTB rim for a couple of years and never had a problem.

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