Bought as 19 inch frame size - according to Cube this is L. I am 1.82 tall. No crashes, no falling over, not ridden off-road, only road and gravel. Seat clamp holds well with a little carbon assembly paste. Frame with minor signs of wear, components too, ridden approx. 5000 km. I am including two very good Maxxis tires. Chain has approx. 1000 km, has been changed every 2000 km so far.