After another amazing year for Sergio Layos, we made a small change to make his signature frame even better. Sergio has decided to make the move back to a 75º head tube angle.The frame features internal and external gussets, multi-butted and tapered tubing, an Investment Cast seat post clamp with the Horizontal Cut System, removable EBS style brake mounts and Investment Cast Dropouts with integrated chain tensioners. TUBING MATERIAL 4130 CRMO / JAPANESE SANKO TRIPLE BUTTED HEADTUBE MATERIAL CNC MACHINED / 4130 CRMO / HEAT TREATED BOTTOM BRACKET MATERIAL CNC MACHINED / 4130 CRMO / HEAT TREATED DROPOUTS MATERIAL INVEST CASTING / 4130 CRMO / HEAT TREATED SEAT CLAMP MATERIAL INVEST CASTING / 4130 CRMO / HEAT TREATED SEATSTAYS BRIDGE MATERIAL INVEST CASTING / 4130 CRMO / HEAT TREATED TOP TUBE / 21" HEAD TUBE 75º SEAT TUBE 71º REAR END 13.6" STANDOVER 8.75" BOTTOM BRACKET HEIGHT 11.5" HEAD TUBE LENGTH 113 MM / 4.45" BRAKE SYSTEM EBS / CHAINSTAYS WEIGHT 21" 2.200 KG / 4.85 LB