Planet X Maratona Carbon Road Bike Rim Brake Frameset 54cm. In great condition, just some light marks and scratches. QR Hubs. Clamp on front mech mount, 34.9mm. 31.6mm seat post. Rim brake. External cables. Screw in BB. 15.5cm head tube. 54cm seat tube, measured center bb to top of the seat tube. 54cm top tube, measured center head tube to center seat tube along the top tube. Weighs 1580 grams. Rim brake. QR wheel mounts. Internal cables. Double waterbottle cage mount.