When I changed my gravel bike tire I had a hell of a time, much worse than Schwalbe tires on my Scraper rims, and I think the cause is the rim width. It's a WTB this size though not this model. MTB rims are much wider so the shelf from the inner channel to the bead seat is a lot more forgiving of the technique shown in the video above. I had a similar problem once with an asym rim whose channel was off center, not the usual arrangement. (Diamondback Blanchard, fwiw.) The wide side went easy, the narrow side was just a pain in the ass. It definitely does help to pull as much as possible of the bead into place as you can so it's good and tight before you start to add air.
WTB rims also have a ridge between the "shelf" and the bead seat which is supposed to guide the bead over and lock it in, but definitely does also present an obstacle that literally must be overcome. Called "On Ramp" in their ad copy.
When I use a compressor I have the valve core out and use the blowoff nozzle.
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Genesis 49:16-17
Last edited by Darth Lefty; 03-27-22 at 01:03 AM.