21" Trek frame, as best I can tell a 510 most likely made in 1981. Full silver-brazed Ishiwata O22 chrome-moly throughout-- a premium tubing. Geometry is the same as the legendary 700- series w/531 tubing. 40-1/2" wheelbase, fairly relaxed angles. Eyelets for fenders, one set w/b braze-ons. Heart- shaped stop on downtube for clamp-on shift-levers or bosses. Three brake guides on top tube. Requires standard-reach brakes. Accepts 27" wheels. Cosmetics are average: chips but no dings and no rust. Includes original headset and SR b/b.
Metallic golden brown. Spare label set included for serious restorers. Jpegs to the serious. $150+shipping.