LaMere Boost hardtail frames run 650b+ or 29er/29+.
These frames run the BB92 press fit bottom bracket. Both frames in 17.5" size weigh just under 1500g. Rear 12x148 thru-axle included in weight and with frame, and front rigid fork weighs 740g with uncut steerer tube including 15x110 thru-axle. Tapered headtube and 31.6mm seatpost.
More info on both styles of our hardtail Boost frames can be found on our website here.