The best chance at recovering a stolen bicycle is having a registered serial number. These numbers are used by police across the nation.
Klein Road Bike Serial Numbers and Photos. Location (where the bike currently lives) Model Known Year (if you're sure) Guess Year. Hi Scott, I just acquired a frame with the serial # S411 on the bottom of the left dropout. I got it from a guy cleaning out stuff left by his ex-roommate. I got the feeling there was bad feelings between them. The majority of bike serial numbers can be found in the following locations on your bike. The photo below has arrows that are pointing to each potential serial number location. Flip your bike upside down and the serial number is under the bottom bracket. On the front of the bike on the headset. 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 However, all of this is generally irrelevant, as who originally made a bike doesn't have any real bearing on its.
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
Bike Serial Number
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.