Schwinn Bike.com, however, does not have a huge classic bike index to compare older models with.
On e Bay, look closely at bikes that have a clear number of the serial number so that it will increase the likelihood that you are using an authentic Schwinn as a comparison to the bike you are interested in.
But you can also look for the serial number to identify an authentic Schwinn bike. Schwinns are best known for the arched bar in the middle of the frame, also called the balloon frame. Some Schwinns follow other popular design models such as 10-speed or mountain bikes. That is why Schwinns are also called beach cruisers. The seats on Schwinn beach cruisers can be approximately 10 to 12 inches wide. Look for the serial number on the lower head tube (right above the wheel on the front of the bike) for Schwinns produced between 19.
The serial number will also indicate when it was made, which can help you estimate the value of the particular Schwinn bike. Those produced after these dates will usually have a serial number stamped on the bottom bracket shell (the rear axle hanger holding the wheel in place). Identify Schwinns produced before 1948 by looking for either of these serial numbers: B12818 or Z12993. Interpret the serial numbers of bikes produced between 19.
PERFECT FOR: All-arounders looking to climb, sprint, and tour with the best. Riders from Team CSC won the last two editions of Paris-Roubaix, held on cobblestone roads, on Cervélo's revered R3.
For the RS, Cervélo took the squared tubes and springy seatstays that give the R3 its coveted power-train stiffness and bump absorption, then lengthened the wheelbase for better stability and raised the handlebars to reduce back strain.
Those Schwinn bikes produced before 1959 have no real system to numbering but the serials typically contain six or seven numbers or letters.
(Go online to for a list of serial numbers between 19.) Those bikes produced between 19 typically start with a letter representing the month it was produced (A=January, B=February, and so on) followed by a digit representing the year (9=1959, 0=1960, 1=1961, 2=1962, 3=1963, 4=1964). Read the serial numbers of bikes produced between 19. The first letter still represents the month the bike was produced, and the second letter now represents the year.
Some bike parts have a date code cast or stamped into the piece.I leave the article largely as he wrote it, though I have run a spell check and made a few additions.Sheldon left a few headings only as notes to himself with no content following, and undoubtedly he left other topics unmentioned.For enthusiasts, finding vintage Schwinn bicycles is an exciting hobby.Schwinn bicycles are easy to identify by the Schwinn logo displayed on the bike. Balloon tires are bigger in diameter and can be wider than most other bicycle wheels and are made to go over sand. The balloon frames will have a wide seat that is meant to accomodate most of the average bottom size. Schwinns produced between 19 have serial numbers on the right rear axle mount (this mount keeps the wheel in place).BEFORE YOU BUY: The Bontrager Race wheelset underdelivers for this frame.