The seat tube measures 57 cm and the top tube measures 57.5 cm, both center-to-center. According to the faint serial number(H6C8A24) This Trek 710 was built in 1978(Madison, WI? and features Reynolds 531 tubes and fork blades, Campagnolo rear dropout, and a Tange Levin headset. I rescued this vintage Trek 710 frame and fork from dumpster oblivion knowing that someone out there is willing to give it the love it deserves. Local pickup can be arranged-contact me first. If you simply made a mistake in purchasing the item, you will receive a refund less the cost for me to ship to you. It matters to me that you enjoy your item! I stand by my items 100% so if there are any problems. RETURNS and PRODUCTS: I only sell items that I would use myself and/or are top quality. more and find out if I ship to your country for this specific item. I try to ship next day and get your item to you as quickly as possible. With your purchase you are supporting (5% of our profit is given directly to this organization) SHIPPING INFO: I combine shipping and it generally is half the cost of the second item. THANKS FOR LOOKING AT OUR ITEMS: Check out our other listings. There are a couple marks from where parts have been installed such as front derailleur.

In really nice condition with very little use. But it measure s 57 x57 square for center to center on t he top tube and seat tube. Trek Carbon Composite Frame and Fork with Tange Headset Th e is technically called a 58 cm.

Tange prestige carbon disc fork