700C Road Bike Frameset: 48cm/51cm/54cm/56cm/58cm Cr-Mo steel Frame with 28.6mm Tapered Tube fork (Steerer tube 280mm), flat mount disc brake (front 70mm, rear 34mm), Weight: frame about 2.2kg, fork about 1.35kg.
Cyclocross Road Bike Frame: For 27.2mm seatpost, 29.8mm seatpost clmp, 28.6mm 1-1/8'' Head tube, 44mm headset, BSA BB68mm threaded bottom bracket, Thru Axle F12*100mm R12*142mm, for tires width 38-42C, Compatible with 27.5*1.9/2.1”Tires.
External Routing Frame: Fish scale argon welding, inner and outer plating/ED rustproof, support rack, fender, water bottle cage, center support foot brace installation.
Chrome-molybdenum steel frame: 4130 Seamless chromium-molybdenum steel, partially heat-treated steel tubing Process, High strength and light weight, good durability/riding comfort, and has good elastic properties for long riding.