Halo Vapour 29 Wheels :Lightweight XC/Trail wheels..Tubeless ready Vapour rims on superlight high performance Halo sealed bearing hubs laced with double butted spokes and precision CNC 7075 Halo alloy nipples..26mm width double wall rims with stainless steel eyelets. Deep section T10 heat treated Niobium alloy with eye-catching graphics..Front: XCD hub - 9mm QR axle..Rear: Supadrive hub - with 120 point pick-up rear cassette hub with QR10mm axle as standard. (optional extra axle T-axle kits in 12 x 135 or 12 x142mm.).Factory built wheel colour options :Black: Black rim, Red hub, Black spokes and Red nipples Silver: Polished rim & hub, Stainless spokes and Red nipples..29\" Black or Silver..Weights :Front: 822g, Rear: 969g..Tubeless-ready rims have revised tyre bead hook/rim well and can be used with normal inner tubes & tyres OR with tubeless conversion tape systems..We\'ve just started testing these light and lively wheels and first impressions are excellent - WMB.