Carbon fiber : VHM (Very high modulus) UD FINISHING. Lugs: HM carbon, High pressurized bottom bracket, Carbon Nano tubes NTC. Front derailleur hanger: alloy drop out, compatible compact cranckset. Diameter Steering tube: 1' 1/8° on top, 1' ¼ at bottom: integrated headset. Tube series: PRO LIGHT VHM Carbon (Very high modulus), oversized IN SHAPE section. Oriented stiffness. Bottom bracket : BSA, breadth : 68 mm. Seat post clamp:none: integrated seat post with vibration absorbtion. Headset: 1 inch 1/8° on top off the head set, 1 inch ¼ at the bottom off the head set, diam on top: 41,7mm, diam at the bottom 46,8 mm. Slides 45/45. Fork: HSC 6 monobloc carbon (deliver with carbon spacers+ compression kit). Frame weight: 1080 grs with full lenght seat post. Fork weight: 315 grs. Frame and fork weight: 1395grs. Pattes de cadre: Carbone compressées, monobloc avec bases et haubans, arrière droite remplaçable en alu. Bottle cage hanger: 2. Internal cable guides. Warranty : 5 years on frame and fork, 1 year onpaint job and clear coat.