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Steve Nagy's avatar

Really enjoy getting your newsletter! It’s interesting to read that you are investigating TPU for fat tires, I went in the opposite direction and use TPU instead of tubeless in my road tires. So much less hassle and even more reliable (so far) than trying to use sealant. FWIW, I use 30mm Grand Prix at about 55-60 psi. The variation in tubeless ready wheel dimensions/tire fitment from brand to brand was my breaking point and I haven’t regretted making the change.

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Ihan Kim's avatar

Hi James - thanks very much for the sealant calculator (and the newsletter!) Since I'm using tubeless for both gravel and MTB, it was helpful to me to have your calculator also use inches (and why not, fluid ounces).

I've set it up here: https://docs.google.com/spreadsheets/d/1uuWcmA2gwDc_EaME1SjihY0z-H9FEZM3Nt_LW5376U0/edit?usp=sharing

(you still enter width in mm, but it autoconverts to inches. For MTB, you just guesstimate in mm until you get to the right width). Hope you find it useful (esp. for those chunky boi fatbike tires).

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