Originally Posted by
sultanofsuede
much sympathy for the original poster. i've been riding some 13 year old campy wheels with GP4000s that last few years, and i can not get the tires on. i've tried many times and failed over and over. i don't even carry a tube with me anymore because i know i can't change it. luckily, the 4000's have been amazing, and i only get a flat every 2-3 years. when i do, i put on a hat and sunglasses and take the wheel into my local shop for some help. it makes me feel a lot better when i see some mechanic kid really struggle with it for a while (but they eventually get it on).
Did anyone ever put a tape measure on such a wheel? The bead seat is supposed to be 622 mm diameter, that is 1954 mm circumference or maybe its the the hooks that are too tall? Does anyone know?