Frameset Specifications: For seatpost 27.2mm, 28.6mm 1-1/8'' Head tube, 34mm headset, BSA BB68mm threaded bottom bracket, C brake, Quick Release F100mm R130mm QR, For Max 700C*25C tires.
Chrome-molybdenum steel frame: 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.