Originally published at: Dynaplug AIR Tubeless Bicycle Tire Puncture Repair Tool - Slowtwitch News
Last year I purchased my first brand new bike in over 20 years. It came with tubeless tires, already prepped by the mechanics at the warehouse. It’s been a dream to ride … 65psi on 28’s … plush and comfy, and every so I often I find a little white dot on the tire; dried sealant that has done it’s one and only job. Having become comfortable and confident setting up tubeless wheels, the next study was to become comfortable and confident should the inevitable issue happens: a flat, with a puncture that doesn’t want to seal easily on its own.
Several weeks ago, I began a journey to master and become confident with tubeless wheels and tires. I posted a couple “help wanted” threads in the Triathlon Forum, one which gained a little traction, called Wisdom from the tubeless pros. (By the way, thanks to all of you who responded with your gems of wisdom.) I then spent the better part of last Saturday performing dry runs on a new tubeless-ready rear disc wheel. Dry run meaning I practiced mounting the tire, seating the bead and checking for air leaks without any sealant. Once I was confident and comfortable, I added the sealant and, just like that – we were holding air and sealant, baby!
But, that wasn’t enough. See, the only thing I get nervous about before, and during, racing – right up until I rack the bike in T2 – is that I’ll wake up to find I have a flat tire when I arrive at T1 at 4:30 am. Or, even worse, I find myself on the side of the road during the bike leg, in full panic mode, making rookie mistakes as I perform that somewhat routine task of taking care of a flat. So, with that in mind, I reached out to two well known companies for some advice. Here’s a video from Zipp that provides some insight that will help all of us fix a tubeless flat.
Dynaplug Air
The other company I reached out to was Dynaplug, who provided some information about a kit that can both plug and “air up” a flat tire.
The kit is available with or without CO2’s and comes in a MTB, Mega and Road versions, which determine the length of the insertion tube. I purchased the Road version directly from Dynaplug online for $69.99 + a reasonable shipping charge.

Photos: Sophie Horne
The road kit includes a loaded insertion tool, three spare plugs, the tool + inflator chuck + valve core remover, a small pipe cleaner for cleaning your tool, a short CO2 hose to fill through the valve stem and a little zipper pouch to keep everything where it belongs when you store it on (or in) your bike.

One word of Caution: have a glove or small rag handy if possible to hold the chuck near the CO2. (I may have a little freezer burn on my thumb and index finger from grabbing the money shots below.)



The Dynaplug AIR worked flawlessly on the first try – it was simple to figure out and use and has given me confidence to go “full send” into the world of tubeless wheels for training and racing.