Kinesis Aithein Disc Frame and Forks with Pro Stem and Seatpost. High-quality aluminium bike frame in size medium 53cm (seat tube C-T), Effective top tube 551, Head tube 162. This set includes the frame, forks, Kinesis headset with Pro carbon top cap. Through axles front and rear. Installed Rotor bottom bracket for 30mm spindle. Picture of bike fully built up. Very rapid bike.. And still comfortable mile muncher. Can’t find a single mark on anything as hopefully photos show. Can post or can be collected.