Full 4130 Chromoly, with heat treated integrated head tube The bottom bracket shell was machined before heat treatment to facilitate bearing installation Double butted top and down tube Oval and tapered seat and chain stays for more clearance Head tube angle: 75° Seat tube angle: 71° 11.5" bottom bracket height chainstays: 13.25" (slammed) 6mm thick dropouts with built-in chain tensioners 127 mm head tube height for more stability
