As much as we love mountain biking, and that amount is "a lot," it's been tough to focus in on a good "November-ized" solution. So many different use cases, with very little consensus on products even within a given use case. As sometimes happens, things have begun to coalesce a bit, and there's now enough gravity around a tire size range to enable us to focus on a rim width and work from there. So we have.
The Hotfoot carbon wheels are based on a 28mm (internal) by 34 mm (external) x 27mm (depth) rim with a 2mm offset. They are hookless and tubeless (of course), and weigh 430 for 29er and 415 for 650b. Builds are available with every type of hub we use in a "semi-standard" configuration, and we have access to more or less whatever hubs are available in the world. Standard builds use Sapim D-Light spokes and your choice of alloy or brass nipples (mountain bikers seem to love alloy nipples), though you could spec whatever other kind of spoke that we use.
Once Shimano's new Scylence hub standard gets going, we will have options for them as well.
The lead story is the 28mm inside width, which works wonderfully with most current tires from the 2.2 to 2.6" range. There is a notable increase in wide tire stability with a 28mm interior, compared to narrower rims, yet the 28mm inside isn't too much to square off tires on the narrower end of the spectrum. Goldilocks, baby - Goldilocks.
Being carbon, they're quite tough. They'll easily handle anything you might want to do on up to a 120mm-ish travel bike, though the hardcore huckers on long travel bikes might want a more burly rim. Being carbon, they are also somewhat more expensive than many alloy builds, yet they pay that back with generally around 110 or so less grams of weight at same width, with a significant increase in stiffness and toughness/durability. The ennui of peppering your rims with little dents all the time also goes away, which is nice.
The product photos aren't up to our usual lovely standards, because I've gotten quite used to the test set (as in, you will get stabbed if you try to take them off my bike) but we will get some better ones over time. They're gorgeous, darling, simply gorgeous.