Mot?rbone Frame (Sean Burns signature)Material: full 4130 crmoToptube length (inch): 20.75, 21Chainstay length (inch): 13.65Headtube angle (degree): 74.5Standover height (inch): 8.75Seattube angle (degree): 71Bottom bracket height (inch): 11.8Headset type: integrated (CAMPY)BB type: mid sizeGyro tabs: removable (included)Brake mounts: removable (included)Seatclamp: integratedDropout size: 14mmExtra info: Sean Burns signature, heat treated CNC head tube, custom TT and DT gusset, 13.65" CS with room to adjustWeight (kg): 2.3 (20.75 inch)Color: black, translucent gold