race face next carbon mtb bicycle handlebar set mountain bike rise handlebar and stem and seat post carbon cycling parts set

handlebar: material: carbon fiber diameter: 31.8 mm flat handlebar width: 580 600 620 640 660 680 700 mm rise handlebar width: 600/620/640/660/680/700 / 720mm weight: about 135g seatpost: material: carbon fiber diameter: 27.2 mm 30.8 mm 31.6 mm length: 350 mm or 400 mm please tell me your choice weight: about 230g stem: material: aluminum + 3k carbon fiber length: 60/70/80/90/100 / 110 mm handlebar clamp diameter: 31.8 mm fork clamp diameter: 28.6 mm level 6 degrees weight: about 130g