Murray Bicycle Chart Serial Number Style F 49 G 50 H 51 I 52 J 53 K 54 L 55 M 56 N 57 P 58 R 59 S 60 T 61 U 62 W 63 X 64 Y 65 In 65 they were changing there serial number style and by then they were on the left rear dropout. Some 65 bikes had an MO5 which stood for Murray of. Check the Serial Number. The obvious starting point to find the date a bike was made is the. Note that the serial number information below is fragmentary and incomplete, and many bikes have proven to be much newer than the serial numbers would suggest. It appears that Raleigh recycled many of the older serial numbers in later years, so there are lots of bikes from the 60s and 70s that have serial numbers that would suggest much greater.
Look for any identifying marks on the bike, including the manufacturer's name and a model number. Model numbers or serial numbers are found on the rear stays, crank or headset. If you find the manufacturer, it’s easy to use the model number in determining the type of bike that you have.