Maxxis Beaver 2.25.

I’ve not had to fit them this year yet… but from memory they are the same or very close.

Maxxis Beaver 2.25 or the spesh ground control/purgatory 2.3 combo (lot bigger than .5 would suggest compared to the beaver) work fine for me

Merlin have 20% off Maxxis Beaver Kev DC Exo Folding MTB Tyre – 29″ X 2.25

Id say the beaver 2.25 comes up every so slightly bigger than the 2.25 ardent, (have both on my hardtail for summer/winter). Great tyres and in fact were such good all-rounders I never took them off after the winter!

Why ‘not too narrow’? A narrower tyre will penetrate the mud better. Spesh Storm Controls for me.

Depends on the soil/mud type, beaver and mudx work well here with local cotswold clag .

Only issue I’ve found with storm controls is, if you’re a bigger rider, (especially on a hardtail) you have to run the pressures higher otherwise the lack of volume means you can hit the rim pretty regularly, which makes for a pretty harsh ride. They’re also not great on the front for any kind of rooty or rocky trail, (IME of course!)

Currently running beaver 2.25s front and rear on my 29er HT but thinking about trying out a spesh butcher on the front?

And I’ll second the comments about the storms. Surprisingly grippy on pretty much everything, but need higher pressures to stop rim strikes and tyre roll.