If there is no serial number near the cranks, you should check other common places including the front headset or rear stays. The diagram (below) indicates five of the most common serial number locations. How to Register without a Serial Number. If you can’t find a serial number, you can still register your bicycle with DPS. Nishiki Serial Number Database - Bike Forums. Step 1: Enter your Serial Number. See the image to the right for serial number location, and enter it in the box below. 0s and 8s look like this. Serial number location on cannondale bikes.

• Nishiki Serial Number Location
• Nishiki Anasazi Serial Number Location
• Nishiki Alamosa Serial Number Location

1946 series Hxxxxx Ixxxxx Jxxxxx A0xxxx (small type face) BxxxxxCxxxxx (low number)Cxxxxx is probably a cusp number between 46 and 47. More on the 47 side.1947 series Cxxxxx/Dxxxxx1948 series Dxxxxx ect.Identifying features:Skinny drop outs (1946)Razor edge fendersShortie rear fender(early 1946 rare)light cover has deep rear screw holeRaised or de bossed style AS clamp(rare)Non scripted light lensTapered pencil kick standCanti frames have more of a hump to the top tube. (Early)Straight bars ie 'fat bars' have same dia bottom tubing.

Nishiki Serial Number Location

(This feature also was found on later years and is not solely indicative of a 1946)Rack clamp is a one piece flat band aid shaped plate.Rear top stay fender bracket is sometimes tubular on early frames. (I've only seen this on dx models). The first year that I see any recordings for the Tandem is 1949. 01/19 - T001000 - T001217 -(TDM)The Tandem's SN always started with the T00 during the years the T&C was available and the number was stamped on the rear bottom bracket.

I believe after the T&C was discontinued the numbers went to the standard SN recordings and were then stamped on the left rear dropout, and this was sometime in the early 60's. The last entry for the Tandems that I can see was - T002663 - T003035 -(TDM). I believe the original source for the Schwinn serial number information listed in the OP is here:From there it links to these pages:Note on the original pages where it states 'Copy and print this info at will, it`s FREE.BUT If You Steal The HTML And Post It On A Web Page In ANY Format, It Is Illegal'In that case it appears that the info in the OP's links was reposted without authorization or credit.I would only trust the information from the original source, as copies (especially unauthorized ones) can introduce errors. For example the it states: 'NUMBERS ARE NOW LOCATED ON THE LOWER LEFT OF THE HEADTUBE (By The Schwinn Badge On The Front OF The Frame)', whereas on the it states 'Serial #'s are now on the lower left of the headtube, by the Schinn badge on fromt of the frame'. Schwinn head tubes were fabricated from a flat piece of stock when the fillet brazed frames were no longer and EF came into play.

That piece of flat steel for the head tube went thru many stampings, then rolled and then welded together. Here's the deal on the upside down SN. The serial numbers were stamped by an automatic stamping machine and the head tube plate was stamped with a serial number prior to any rolling or welding. Some worker had the head tube plate upside down when he stamped the SN. I've seen a few of these along with a double stamping of the SN. One on the left top upside down and then a different SN stamping on the right bottom in the correct spot. Schwinn quit stamping the SN's when the frame was built when they quit stamping the numbers by hand.

Nishiki Anasazi Serial Number Location

Nishiki Alamosa Serial Number Location

All auto stamped SN's were stamped on the component prior to any welding, building of the frame etc.

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