USE Alien Aluminum Seatpost 3M bonding assembly; At the forefront of technology and engineering excellence; In house testing with support from Cannondale Diameter -31.6mm ; Length - 350mm; Material - CNCd 7075 T6 Aluminum; Head / Clamp - Forged and CNCd 7075 T6 Aluminum Finish - Anodized Aluminum parts (up to 45 microns); Color - Black; Layback / Offset - 10mm (standard); Cyclops Clamp - Single bolt adjustment Fits Rails - 7mm; Minimum Insertion - 100mm for 350mm; Tube - Full aluminum construction - laser etched; Graphics - laser etched