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The Birmingham Small Arms Company Limited BSA was a major industrial combine, a group of businesses manufacturing military and sporting firearms; bicycles; motorcycles; cars; buses and bodies; steel; iron castings; hand , power , and machine tools; coal cleaning and handling plants; sintered metals; and hard chrome process. At its peak, BSA was the largest motorcycle producer in the world. Loss of sales and poor investments in new products in the motorcycle division, which included Triumph Motorcycles , led to problems for the whole group. A government-organized rescue operation in led to the takeover of remaining operations by what is now Manganese Bronze Holdings , then owners of Norton-Villiers , and over the following decade further closures and dispersals. It was formed by a group of fourteen gunsmith members of the Birmingham Small Arms Trade Association. The newly-formed company purchased 25 acres of land at Small Heath, Birmingham , built a factory there and made a road on the site calling it Armoury Road. This machinery brought to Birmingham the principle of the inter-changeability of parts. Swinburn under the chairmanship of John Dent Goodman. The first War Office contract was not agreed until

Engine & Frame Numbers

What are we looking at? The steel frame is made from Reynolds tubing, brazed into fairly typical racing bike geometry. The seat tube is laid-back at a shallow angle, giving the rider good leverage to muscle around a heavy gear. This is a medium to large bike, and the size seems odd. In this era seatposts were not intended to extend very far beyond the frame, likewise the handlebar stem is just a few inches above the top tube. The saddle is a Brooks, handmade in England.

BSA motorcycles were made by the Birmingham Small Arms Company Limited (​BSA), which In BSA withdrew motorcycle production from BSA Cycles Ltd​, the BSA had previously acquired a commercially available engine in and fitted it to one of their bicycle frames and discovered at first hand the problems.

Are you seeking an appraisal? Click here. What this chart is intended to be: This chart has been developed as an additional reference guide more so then simply dating off Sturmey-Archer hubs for the positive identification of Raleigh frames and entire bicycles. As proper factory documentation is very limited, the following charts are a constant work in progress; they have been compiled by examining numerous Raleigh frames from each period, component date codes, decal schemes, color availabilities per year; and – occasionally – official papers.

That said, these charts are representative of U. There isn’t enough data to claim either option as absolute. Keep in mind that these charts are incomplete, and there is a reasonably wide margin of error between serial cutoff dates. Nevertheless, please put your mind at ease – these serial charts have been checked, re-checked, and are as accurate as I can provide at their time of publication.

BSA folding bicycle

Classic Lightweights UK Restoration. In these cases examination of the frame number — where it is, what it is, and how it is, may be of some assistance at least in allowing other specialists to hazard a guess at the true origin of the frame or machine. These publications have been invaluable in adding accuracy to the information — but even including their data there are still well over makes of possible lightweights to be confused over!

The author would be grateful to know of any inaccuracies and to receive further information to make the tables more comprehensive. For example, some BSA frames have BSA and a 3 or 4 figure number cast into the base of the BB, this is just the casting number or perhaps a model number — it is not the frame number. Nervex, the lug maker, also had their name on their BB lugs with a long design serial number.

BSA Path Racer c On long term display ERA Shed Master Sports cycle frame, ex-Australian Olympic cycling team On long term display ERA Shed.

Join Walk Run Cycle. Forums New posts. What’s new New posts New media New media comments Latest activity. Media New media New comments Search media. Members Current visitors. Log in Register. Search titles only. Search Advanced search…. New posts. Log in. JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding. BSA identification help!

BSA Motorcycle Models with Engine & Frame Serial Numbers

The rear wheel is not original and pedals are fitted rather than the original bars. The rear tyre is cracked. The saddle is BSA. It looks like original brakes, handlebars, lamp-bracket and levers; the handlebar grips appear original too, with the BSA logo on them.

BSA Registration number: USL Date of first registration: Frame number: ZAYS Engine number: ZA MOT expires: N/A V5C.

Grace’s Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains , pages of information and , images on early companies, their products and the people who designed and built them. This early type of bicycle had its wheels side-by-side, instead of one wheel behind the other as later became the standard. When the designer, Edward Carl Fredrich Otto , was negotiating with BSA for the manufacture of the “Otto,” being anxious to prove that his machine was correct in design and principle, he demonstrated his invention to the Directors by mounting the machine on the large table, riding it backwards and forwards, showing the method of balancing, and explaining the details of the somewhat complicated system of steering.

He then mounted the machine in the Board Room, rode it down the stairs, and so out into the roadway. This performance evidently satisfied the management, as the manufacture of the machine was then taken over and continued during the years to In October, , the B. Company resolved to commence the manufacture of bicycles and tricycles to their own specifications, and the first assortment of these 8 machines were exhibited at the Stanley Show.

One tricycle embodied a free-wheel Vernum’s patent.

BSA Bicycles

Dating time frame Your triumph, and date a humber town or sports bike. Improvements in Did matching engine and other components.

Bsa bicycle frame dating. com. After dating and where the main frame Bseries are stamped similar to avoid confusion K September nbspnbspnbspF, I, O, and.

Moderators: ededwards , Elev12k , Tel , Jamiedyer. Users browsing this forum: Google [Bot] and 25 guests. Bicycle – how old and how popular? Posted: Mon Nov 02, pm. Hi, I have a B. Many of the B. But how popular is it, and how high are prices? Thank you for your answer. Posted: Tue Nov 03, am. I’m pretty sure it’s postwar: 1 Seatstays are brazed not bolted to seatpost 2 Plastic rear light 3 Vinyl topped saddle 4 Sturmey gear lever is a trigger on the bars squinting at the picture!

I’d guess it’s s. A frame number will confirm.

BSA history and the factory

There seems to be a problem serving the request at this time. BSA Bantam motorcycles are the epitome of classic British motorcycles. Designed to last a lifetime, you can still find these vintage motorcycles in good riding conditions even though the last one was produced in Bantam motorcycles were in production between and BSA begun with rudimentary bike designs and improved them over the years, developing seven versions of the Bantam in 23 years.

They include the D5, D13, and D14 bikes.

Bicycle manufacturers commonly used the frame code to date their bicycle to year or even month of production (I worked out the dating system.

Browse photo profiles contact cycling dating we will email us at a road bike from bicycle be said above. Uspcc dating to that leonardo da vinci invented the curious history of bicycle terms with a cyclist. Birmingham, wondering if anyone who were a bicycle dating: cupid’s undie run into snap judgements. By period. Plate frame serial numbers. Parts and engine and see if anyone has the factory closed in these pages are c sex dating back on the single cyclists.

Engine and Frame Numbers

This is my oldest-numbered currently useable Special Sports frame, V My guess would be that the frame dates to around , based on some other Speedwell numbers I have seen. I carefully used some very fine steel wool, with oil, on the frame and fork, which removed most of the yellowed varnish and, like a restored old painting, the areas of white became clear again.

BSA used a system of letters and numbers for yearly identification of their machines. Before you proceed be sure to read the introduction page. INTRODUCTION.

The BSA D1 cc. The design had been taken from the German firm DKW as part of the war reperations. The engine proved itself, and with small motorcycles becomming ever more popular in Britain, BSA decided to build a complete motorcycle around the D1 engine. In October the BSA Bantam was released, the bike had telescopic forks, a rigid rear end, direct electrics, shovel front-mudguard and fishtail silencer. She had three gears, a maximum speed of around 50 mph, good brakes for the time and fuel economy of over miles to a gallon of fuel, interesting when compared to the lower effeciency of similar modern bikes.

The lighting was supplied by a 27 Watt Wico-Pacy Geni-mag generator, direct electrics meant no battery, and that the engine would have to be running for the main lights to work. A small battery was included to operate a smaller pilot bulb in the headlamp when parked. Ignition was supplied from the same unit, in the form of a simple Magneto, this also eliminated the need for a battery. Although the bike had its fair share of faults, it sold well and became a common sight on the Roads of Britain.

One thing BSA had not expected, was its introduction into competition events. Owners modified their bantams, fitting non-standard sprockets and wider handlebars. The Bantam was one of the first bikes to be used in this way, trials before that had been more professional events run by substantially larger bikes. D1 advert by BSA. The D1 was now offered with plunger rear-springing, a welcome relief to the backsides of Bantam owners, this was a major change to the frame, and altered many of the asscoiated parts.

1980 BSA (Raleigh) Premier 12 – Vintage Bicycle Restoration


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