Tifosi Alloy Road Bioe Frame 53cm Top Tube. Cracked on tue head tube, small crack onntye back of the head tube. Still OK to use on a static trainer. 27.2mm seat tube. Rim brake. External cable routing. Screw in BB. QR wheels. Mudguard mounts. 1" steerer. 52cm seat tube. 53cm head tube. 12cm head tube. Weighs 1695 grams.