Heat-treated, triple-butted Ritchey Logic tube set features short-butted sections optimized to save weight and improve ride quality. Painted to match Ritchey full carbon fork included. Forged and machined straight head tube. Standard road spacing on frame and fork. TIG welded. Rim Brake. Fits tires up to 30c. Logic Zero WCS drop in 1-1/8a�? headset includedItem Specifications: Stand Over: 72mm, Top Tube: 518mm, Headset: IS42/28.6, Front Derail: 27.2mm, Size: X-Small, Color: 10x130mm QR, Chainstay: 410mm, Seat Angle: 75 Deg, Seatpost: 68mm, BB Drop: 28.6mm, Bottom Bracket: IS42/30, Head Angle: 72 Deg, Dropout: 735mm,