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1. Scott Road Bike Serial Number Location List
2. Raleigh Bike Serial Number Location
3. Giant Bike Serial Number Location
4. Bike Serial Number

CWC started producing bikes in September of 1935. The serial number location of CWC bicycles from 1935-1956 is located underneath the bottom bracket. The early bikes (1935-36) could have used a serial starting with XX, Z , or A. The very early bikes starting with XX or Z appear rather crude (Fig 1). Beginning with the “A” serial numbers the font is uniform and distinctive. This style of font is usually a good indicator fo a CWC built bike (Fig 2.). The serial numbers repeat during the prewar period so the frame style and components must be used to date the bike.

I have a Giant OCR-C road bike which I purchased from the bike shop owner in 2007. I think it is a 2006 model. The serial number is GA6B054 but I can not find any place to look up these bikes on line by serial number. I am selling the bike and someone asked me which make it is. I don't know what to tell them. How to find year and exact model on a Scott contessa She's barely 5 foot tall so it was nice to find a frame size that'll fit her. The thing is I don't know anything about it and would like to figure out where to look and how. Where do I find my bike’s serial number? You can find your serial number on the underside (bottom bracket) of your bike. My bike shows two numbers on the bottom bracket. Which one is the correct serial number? Sometimes there are two numbers on the bottom bracket shell. The correct serial number is close to a ten-digit code consisting of. There is no universal registration of bike serial numbers. Even the number stamped on the frame doesn't necessarily mean much. Your best bet is to figure out the manufacture of the frame, and see if they have a lookup for it. However, all of this is generally irrelevant, as who originally made a bike doesn't have any real bearing on its. We use cookies to ensure that we give you the best experience on our website. By continuing to browse this website, you agree to their use. To find out more about our cookies, please click here Close and Continue to Browse.

Note–Although the Delivery Cycles are listed as 1940-41 models all known examples have a serial number starting with “D”

The serial number on early postwar bikes (1946-mid 1947) is the same style as the prewar bikes so frame characteristics must be used in conjunction with the serial number to distinguish between a pre and early post war bike. The biggest ‘tell’ between a prewar and post war bike is a lack of drop stand ‘ears’ on postwar frames* (Figs 3, 3-1). Later postwar bikes also have a ridge on seat post clamp (Figs 4, 4-1), and a stamped, curved upper rear fender brace vice a straight, tubular fender brace on prewar bikes (and early post war bikes) (Figs 5, 5-1). Early postwar from roughly ’46-47 can be confusing as the drop stand ears are normally the only indicator the bike is postwar.

Scott Road Bike Serial Number Location List

*Note–The ’40-1 “All American” prewar model did not have drop stand ‘ears’ but other frame indicators will identify this frame as prewar.

Beginning in August 1947 the serial will have a large “C” with a small “w” inside it after the serial number. This style of serial number runs until about July of 1949 (Fig 6).

Starting about August 1949 CWC again changed the serial style and after the serial number is an “A” before the big “C” with little “w” (Fig 7). This configuration was used until the end of 1951.

Raleigh Bike Serial Number Location

Note: CWC was purchased by AMF in April 1951

Starting in 1952 through 1956 the serial was followed by the last two numbers of the year with the big “C” with the small “w” inside (Fig 9). This makes these bikes very easy to date. Also during 1956 production was moved to Little Rock, Arkansas

Serial number chart compiled from various sources.

Giant Bike Serial Number Location

Bike Serial Number

* Due to inconsistencies between sources the change in 1947 to the new numbering system is approximate From Aug 1947 through the end of 1951.