Details and Specs for Cult OS V3 Frame : The Cult OS V3 frame is made from revised Cult Classic tubing for increased strength and features a tapered toptube with Cult logo gusset, downtube gusset, integrated headtube, externally machined Mid BB shell, integrated seatpost clamp, tapered seatstays with removable U-brake mounts, S-bend chainstays with room for larger tire sizes and 5mm thick heat-treated dropouts. Headset Type: Integrated (Campy Spec) Gyro Tabs: None Brake Mounts: Removable BB Type: Mid BB Height: 11.8" Chainstay: 13.55" - 13.875" Headtube Angle: 75° Seattube Angle: 71° Seattube Height: 8.75" (222mm) Seatpost Size: 25.4mm Seat Clamp: Integrated Dropout Size: 14mm Weight: 5 lbs 0.3 oz