Early 80’S 20” or 22” FRAME DEPENDING ON HOW UYOU MEASURE.. it’s 22 inches measured from the center of the crank to the top of the seat tube Either way it’s Older geometry so it’s not that darn tall If you’re looking for your first vintage bike or wanting to add to your collection. This one is sweet.. all of the other Ross, Mountain bikes have sold ROSS HIGH-TECH MT WHITNEY,, ALL POLISHED CHROME, DEER HEAD DERAILERS SR SUNTOUR II BEARTRAP PEDALS,, FLUTED SEAT POST, VINTAGE YETTI GRIPS, SCHWALBE BILLIY BONKERS TIRES, BROOKS SWALLOW SADDLE Everything works as it shouldn’t. It rides like a dream. FIRM ON PRICE Call or text 913-2one6-8790