What bike serial numbers are - and where to find them.

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In today's post we'll check out where to find your ride's serial number and what to do with that info to keep your bike secure! First things first, where do you find your bike's magic number? The serial number will be engraved underneath the bottom bracket shell on the. Just flip that bike over and take a peek!

These serial numbers have seven characters, in the form L N L N L N N, where L is a letter and N is a number. Here are the results: The first letter is the model designation. The letter code indicates frame model, which would include bike models made from that model of frame. A = 310 (see note * below) B = TX200 (see note ** below), C = TX300, D = 530, E = TX500, F = 510 ( **** ), G = TX700 and TX770 (see note *** below), H = 710, I = 730, J = TX900. K = 910, L = 930, M = 412 and 414 ( **** ), N = 610, 613, and 614 ( **** O = 950.

Freestyle riding isn’t about transportation, and it isn’t about speed. It’s about wowing spectators by performing stunts on the edge of disaster. The sport is worldwide and has 5 categories. Mirraco sells bikes for them all. The bikes are small with 20” or less wheels and 20-22” top tubes.

The date from the SN is Nov. Probably a TX200 with an extra character in the SN.

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Still think that having an 8 stamped on the frame is the best way to prove the bike was made this year though. Muchi is more correct than Glenn above. The frame number doesn't necessarily mean the bike itself was built during that month or year especially when it comes to Giant- it just means the FRAME was built then. Very often a bike company will build frames as much as 8 or 9 months in advance then warehouse them, then as time goes on will pull the stock and build bikes, sometimes changing parts specifications as the year rolls on. This isn't necessarily good as bikes do get downspecced as well as upspecced during the production year. If you want the newest of the new, wait until August when the 2009 models are introduced- you are already 1/2 way through the 08 model year.

These serial numbers apparently do not follow the year convention used for other Trek models. It is likely these frames, SNs beginning with M or N (Models 41x and 61X), were contracted out or were made in a separate Trek facility, and were given the old serial number form so as not to interfere with the sequential numbers being assigned by Trek in their main shop, which began in late 1980. This variation to the SN system may have been done to extend the numbering system. By using the fourth character as an extension of the last three, the serial numbers could be extended from 2600 possible combinations to 26,000 for a given month. For M and N leading serial numbers, if the TREK letters on the seattube have no colorwrap behind, the bike is from 1980 or perhaps 1981. If it has a colorwrap, the bike is probably from 1982.

At some time late in each year (beginning generally September or October) the frames produced were created from designs, and painted with colors, for the next year. Hard to read? Trek serial numbers can be hard to read. Clean the area well, and use lots of light at various angles. A suggestion by J. Hansen can help you read a serial number.

Factory Description With a 21-inch top tube and fully legit specs, MirraCo's Detroit is ready for the street. Two of the frame's tubes are cromo, you've got 6mm dropouts, and you have a full cromo fork with tapered legs to keep things strong and light. Continuing that theme are the wheels, they rock aluminum rims with cromo axles and fat tires that work on a variety of surfaces. The rest of the specs are core as well: 3-piece cromo cranks, tall bars, Black Label grips and plastic pedals and a 1-piece saddle/post combo.

Items that may need to be replaced include: tires, tubes, grips/handlebar tape, brake pads, brake hoods, chain & cassette, brake cables, gear cables, any/all housing, brake fluid and shock oil. Braking surfaces may have minor grooves or discoloration. Suspension and brakes may need to be serviced.

On Friday, October 14, 2005, a U.S. Federal trademark registration was filed for MIRRACO by, Bath, NC 27808. The USPTO has given the MIRRACO trademark serial number of 78733827. The current federal status of this trademark filing is CONTINUED USE AND INCONTESTIBILITY ACCEPTED. The correspondent listed for MIRRACO is of MERZ & ASSOCIATES, P.C., 1010 LAKE STREET,, SUITE #400 OAK PARK, IL 60301. The MIRRACO trademark is filed in the category of.

We all owe thanks to Luker White who generously donated his time to convert much of the paper list to digital form. These data were mined to produce bike production by model for each calendar year. The results can be seen on the page. Click on the date link in Table I below to go to the detailed serial number information for that year. Table I - 1980 to 1986. N otes for Table I: • Table I contains dates of frame serializing, and are not necessarily model year.

Serial numbers for four model 510 frames (with a leading F) have been reported that have similar unexpected year dates. (Our thanks to Rich Ferguson, Fred Gomez, and Chris Tank.) The fourth characters are 2, 3, 4, and 5, there may be more. The frames have the early TREK graphics on the seattube.

The rest of the code defines time to a month. Perhaps once Trek was nearing more than 2600 bikes/frames of a given model per month, a new serial number scheme needed to be developed.

This numbering system was used for custom 950s. This letter may also have been used for custom 750 frames. If you have a leading O (Oh) serial number on a frame with Reynolds 531 stickers, please contact me (Skip). This applies only to serial numbers in the form LNLNLNN where the first letter is an O (Oh). This does not apply to the all-numeric serial number form that began in late 1980. These begin with a zero not an Oh. For these all-numeric numbers with a leading zero, see below.

Some have pegs at the ends of axles, some have only rear brakes, and some have no brakes. All have low centers of gravity and need to be strong, even the lightweight models for park (skateboard park) tricks, where riders get airborne. The company sells a street bike called the Wallstreet that was designed by a NYC member of the international Mirraco competitive team.

Items that may need to be replaced include: tires, tubes, grips/handlebar tape, brake pads, brake hoods, chain & cassette, brake cables, gear cables, any/all housing, brake fluid and shock oil. Braking surfaces may have minor grooves or discoloration. Suspension and brakes may need to be serviced.

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These numbers were usually four digits, in the form NNNN. LATE 1980 TO LATE 1986 Late in 1980, Trek changed to a new numbering system for their frames built in the U.S. The frames were numbered sequentially, beginning with number 000001. The record of the assembly runs was documented in a handwritten journal.

Notable things are the gussets, integrated clamp, slightly concave BB my money's on it being a BSD Too Loose Yeah could be. I think that's it. I was thinking forever trying to think of frames that start with t o o l o but none came to mind. Good job I think that may be it.

The USPTO makes this data available for search by the public so that individuals can locate ownership information for intellectual property, much the same way a county might make real estate property ownership information available. Since our website is synchronized with the USPTO data, we recommend making any data changes with the USPTO directly. Our website will auto-update when the USPTO data is updated.

Trek Frame Serial Numbers Serial Number Location Trek frame serial numbers (SNs) are typically stamped into the bottom of the bottom bracket shell. In the case of some early 80s Treks, the number is under the plastic cable guide on the bottom of the shell. Just remove the plastic cable guide to see the number. The other place Trek (or their subcontractors) stamped the SN is at the lower end of the seat tube. Note: The SN on your original sales receipt may not match the one on your bike. Sales persons sometimes had difficulty reading the numbers.

The first numeral in the SN may be the year of serialization. JAZZ BY TREK Jazz is a line of foreign-built, entry-level bicycles that Trek sold in the early 90s. (See the for a bit more info and the for a 93 catalog).

Did I make a mistake on buying this bike?

Founded in 2006 by BMX freestyle legend Dave Mirra, Mirraco Bike Company sells all manner of BMX race and stunt bicycles worldwide in a wide range of prices. • address: 2262 Rutherford RoadSuite #108Carlsbad, CA 92008 • telephone: (760) 602-0903 • fax: (760) 602-9601 • website: • e-mail: Description On a BMX bike you can be a kid no matter your age. Freestyle superstar Dave Mirra knows that better than anyone. He’s won gold medals every year of the X-Games, Disney’s extreme sport competition. Lantek expert v27. Still going strong in his thirties, he started racing when he was 5. No wonder Mirraco Bike, the company he founded in 2006, says, “Start ‘em young” and sells a version of their competition-winning Black Pearl model in an 18” size for kids. BMX means Bicycle Motorcross, and kids in California in the 1970s started the sport when they put knobby tires and motorcycle handlebars on their Sting Rays to imitate motorcycle dirt racers.

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.

• 1788 Answers SOURCE: Usually there will be a bike shop sticker on it, if so, call them and they can tell you who owns the bike by the serial number. No sticker, check the phone book and find out what shops sell that brand.