Bottechia AIR - Top tube length 51cm / Seat tube 48cm - Carbon frame / Carbon fork - Shimano Ultegra / 105, 2x11 speed mechanical - DT Swiss P1800 aluminum wheels - Aluminum cockpit Fresh from service, the following parts have been replaced: - Chain (HG701 - Ultegra) - Cassette 11-34 Ultegra (200km ridden) - Wheels H+V, completely new - Vittoria Corsa Pro tires with tubes, completely new Bike is in top condition. Year of manufacture unknown.