Chromag hifi v2 mountain bike stemchromags best value model, the trail ready hifi v2 mountain bike stem is 3d forged from 6061 aluminium and has careful contouring of its edges. This means it has the durability needed for the rigours of the toughest trails and offers excellent knee clearance when youre pedalling hard. Light enough for cross country xc and strong tough for aggressive downhill dh riding, its the ideal upgrade from your factory fitted model.features material 3d forged premium 6061 aluminium finish high polished finish fork steerer clamp size 1 1 8 handlebar clamp size 31.8mm rise 0deg stack height 38mm use cross country, all mountain, enduro, downhill invertible no stem cap included no equally robust as chromag's cnc machined stems rounder edges and smoother contours weight 40mm 195g 50mm 200gbuy chromag components from chain reaction cycles, the world's largest online bike store.