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Monday 9 November 2015

Giant PX-2 Wheels Converted to Tubeless


I wanted to change my clincher wheels to tubeless for CycloCross. The Mud is starting to appear and running 40psi (2.75bar) is not ideal. I also didn't want to pinch flat from running lower pressures. I don't complain because that's what losers and victims do. I solve shit.

What you will need:

  • Tubeless Compatible wheel; Giant PX-2 Wheelset, although wheels without spoke holes in the rim are best, like the DT Swiss rims.
  • Tubeless Ready tyre; Maxxis Mud Wrestler EXO TR,
  • Tubeless Valve Stems; ones with removable cores are the best,
  • Tubeless kit: Sealant, Yellow Tape, Valve Core Remover and Sealant Injector,
  • Tyre Levers; plastic are recommended,
  • Soap Application kit; Sponge, Sink and Dish Soap,
  • Tyre Inflation Device, i.e. a pump,
  • An Inner tube, for the initial seating/rounding of the tyre,
  • Patience and a Work Ethic,
  • A sense of humour, as there are some dodgy jokes in this article.

Process

Where I fucked up: Install Stan's Yellow tape over the Blue Rim Strip. Do this first. It makes it easier when air is seeping out of the spoke holes.

Other Notes: The Stan's black Rim Strips didn't bring me any success. I couldn't get the tyre to seat at the valve using these.


Put on the tyre, get it aligned and the thread direction correct. Install a tube and inflate it, this will seat one side.
Tubeless tyre with a tube inside to seat one side.


Deflate the tyre, unseat ONE SIDE of the tyre, and remove the tube. In the picture, I should have the Yellow Tape installed.
Keep one side seated as you remove the tube.


Install the Valve stem. Twist on the  Again, I should have the Yellow Tape installed here.
Valve Stem Installed.


Put back on the unseated bead and try to get it as high up the rim as possible, so it will seat faster. Apply the Dish Soap to the unseated seated side, to create a temporary seal. Now take a few deep breaths, mentally prepare yourself for the upcoming struggle. Pump it, pump it like there's no tomorrow. I aimed for 60psi (4.1bar).
Pump it like you're a pornstar.


I missed the picture where I'm injecting the sealant. I put 60ml (2oz) in a tyre with the Yellow Tape, and 90ml (3oz) in a tyre without the Yellow Tape. Add more air and distribute the Sealant inside the tyre. Shake that tyre, like you're an irresponsible baby sitter. I had problems with air coming out of the spoke holes, so I put the holes at the bottom, grabbed the tyre by it's outsides (3 & 9 o'clock positions) and flipped it backwards really fast a few times, until it stopped leaking.



Leave the tyre on each side for five minutes. This will seal the side walls.
Seal the sidewalls.

Wait a while before riding the tyres. Take them on short rides near your home at the start. Enjoy life with less PSI.

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