The serial number is located under the bike on the round tube, between the rear wheel and the kickstand. Compare your gear indicator with the photos. If the gear indicator shows a 1, 2 and 3, then you have a 3C model. If the gear indicator shows a 1, 4 and 8, then you have either an 8C or 8S model. Where to Find It. The majority of serial numbers are located under the bottom bracket where the two pedal cranks meet. Turn your bike upside down and record the number. If there is no serial number near the cranks, you should check other common places including the front headset or rear stays.
Stand up Bikes
Stand Up Bike (SUB)
The serial number is an 8-digit number located on the top of the frame, towards the rear wheel by the pedals.
Compact and Long-Stride Bikes
The serial number is an 8-digit number located either on the top or bottom of your bike frame, depending on what bike type you have.
Compact Stride
The serial number is located on the top of the frame, towards the rear wheel by the chain keeper.
Compact Stride bikes have the word “Arc” on the bike frame, near the rear wheel. The pedals are attached on arms and move in a circular motion.
To determine which model you own, locate the gear selection indicator on the handlebars near the right grip. Look at your gear indicator.
- If the gear indicator shows a 1, 2 and 3, then you have an Arc 3 model.
- If the gear indicator shows a 1, 3, 6 and 8, then you have an Arc 8 model.
- If you have two gear selector units (left and right), you have an Arc 24.
Long Stride bikes are characterized by a long base with two tracks running along its sides. The pedals roll along these tracks and move in an elliptical motion. The serial number is located under the bike on the round tube, between the rear wheel and the kickstand.
Compare your gear indicator with the photos.
- If the gear indicator shows a 1, 2 and 3, then you have a 3C model.
- If the gear indicator shows a 1, 4 and 8, then you have either an 8C or 8S model. If the steering column folds, you have an 8S; if it does not, you have an 8C.
- If the gear indicator shows a 1, 6 and 11, then you have an 11R model.
The best chance at recovering a stolen bicycle is having a registered serial number. These numbers are used by police across the nation.
Where to Find It
The majority of serial numbers are located under the bottom bracket where the two pedal cranks meet. Turn your bike upside down and record the number.
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
Amf Roadmaster Bicycle Value
If you can’t find a serial number, you can still register your bicycle with DPS. To do so, bring the bicycle to the station, located in Parking Structure A (PSA). We can provide you with tools to engrave your driver’s license number on your frame. We’ll use this as alternate identification to the manufacturer’s serial number.