Sitting neatly between traditional mountain bike and fat bike standards, these Plus-sized XC/Trail wheels have been designed specifically for 2.8 - 3.0\" tyres. Their 50mm wide tubeless-ready rims have a 45mm internal measurement which gives increased stability, better traction and float while helping to reduce pinch flats.Front wheelChoice of Black Spin Doctor 6F hubs,Weight – from 1128g.Rear wheel (6D hub)Choice of Black Spin Doctor 6D hubs (HG or XD freehub),12 x 142mm thru-axle and 9mm QR end caps included,Weight – from 1316g.Rear wheel (Supa Drive hub)Black Supa Drive hub (HG or XD freehub),12 x 142mm thru-axle,Weight – from 1316g.