Well testing has begun for these. The first test set are 29er 24 spoke. The rims are 30mm wide and 25mm internal width with a modern hookless design.

The rims are light at 360g each. The production wheels will be laced up with Sapim CX-rays but these have Sapim lasers. Nipple washers have been used and black alloy nipples.

The hubs are the lovely Carbon Ti. 4 pawl freehub with a 56T ratchet ring made from titanium. there is a 17mm axle and these are the lightest reliable hubs you can buy. 100x12, 100x15mm, 110x15mm, Lefty, RS 110x15mm, 142x12mm and 148x12mm standard are supported along with old fashioned Q/R. 

The wheels are fitted with Carbon Ti disc brake rotors. 140, 160 and 180mm can be requested and Carbon Ti Titanium rotor fixing bolts are used. 

IRC tyres will of course be available. The ones fitted are the IRC Mythos 54x622mm and they are actually 53.2mm wide. The tyres inflated easily without sealant and lock in place firmly. 

Carbon wide and stiff. Simply what not to like. RRP ~£1700 with the Carbon Ti rotors and Ti bolts . £1300 without rotors and bolts.

Weight of front bare 595g but with 160mm rotor, Ti bolts, tape and valve 698g.

Weight of rear bare is 684g but  with 160mm rotor, Ti bolts, tape and valve 787g.

So that sub 1500g wheels tubeless ready with rotors.