Very good condition no known issues this item is for sale by mean marshalls motorcycles in california, where we have thousands of new and used classic british motorcycle parts from the 1930s1980s, primarily triumph, bsa, norton. The simple girder front fork uses large rubber bands to dampen movement. Jun 23, 2017 the most stable front end and the easiest front end to build. Girder fork how to build motorcycle frames, bike design. I also checked tony foales classsic book on motorcycle suspension design, as well as the fork on my own prewar enfield. Vintage motorcycle girder fork spring bsa ariel norton velocette panther ajs. There are offset links available for 3, and 6 degree rakes. Buy girder forks and get the best deals at the lowest prices on ebay. Understanding motorcycle rake and trail and suspension.
I intend to shorten it to factory length,so i can use it on an oem frame. Forks free delivery possible on eligible purchases. Engine parts click on your bike for all of the engine parts. Franks forks the leader in replacement motorcycle forks. Back when girder forks were status quo, various types were tried and developed. Triumph fitted some of their 1920s motorcycles with a girder fork. Girder chopper is based on a killer choppers hardtail frame, which has been modified in nearly every dimension, with a 6inch stretch, 10inch rise, and a 55degree fork rake. Previous triumph motorcycle next triumph motorcycle. Why screw up really good handling just to look retro.
A girder front end is an excellent choice for a custom bike build. We did all the hard work gathering the parts and cutting and machining the heavy plate for you. One such alternative, known as a girder fork in the world of motorbikes, takes its name from the classic structural. Shop girder forks available for purchase here online. Harley davidson street 500 video bsa b50 kawasaki mitre makita 12 saw 1957 harley davidson panhead kawasaki teryx dash mount stereo montesa coil cmp backrest pouch engine. This listing includes a ajsmatchless 1930s1940 girder fork 7 brake plate, heavy weight with speedo drive and drive gears. Laurence smith runs suspensionsmith, a suspension business in australia. The project was applied to a bicycle for several reasons. Indian motorcycle repliucas, restorations and parts. I obtained a nos 460634 350 spring when i rebuilt my girder fork vh back in 2000 as the old. Diy girder fork construction and design custom choppers, custom motorcycles, custom bikes, cruiser. Other fork designs are girder forks, suspended on sprung parallel links not common since the 1940s and bottom leading link designs, not common since the 1960s. Girder forks were stretched 22 inches for the profile thee darkside wanted.
Compared to springers or telescopic, girder front forks are both lighter and stronger, and relatively inexpensive to build or buy. The spitfire girder front end is made from pure american steel, right here in our shop in california usa. Girder forks for sale in uk 14 secondhand girder forks. See more ideas about forks design, cool bikes, bike. Trike motorcycle, motorcycle design, bike design, motorcycle parts, concept motorcycles, custom motorcycles, custom bikes, forks design, welding and fabrication. If you have ever ridden a bike with girder forks, you will know what im talking about. Designed with you frame builders in mind uses your leftover 114 dom or chrommoly tubing. Favoured by many motorcycle manufacturers the webb fork incorporated the bentley and draper stabiliser as part of its construction, affording damper pressure in exact accordance with that applied to the adjusters, and these being independent of the necessary sideways adjustment of the fork links. I could write a book here but if you are a serious buyer and want to own the very rare pre war speedtwin then email or ring me. Should it be required to attend to the spindles or links of the fork only, there is of course no need to remove the fork. Secondly it would be a safe test platform to develop an understanding of how to manipulate the steering geometry to get the required results.
Trike bicycle, recumbent bicycle, trike motorcycle, motorized bicycle, custom bobber, custom motorcycles, custom bikes, moto chopper, bobber chopper. Check out our latest springer family weve reengineered our original line of half round springers and updated them with stylish, new round rear legs. Girder fork with the exception of a small minority of mountain bike suspension forks nearly everything on sale today relies on telescopic legs to enable the front wheel to travel up and down. Heavy weight webb girder forks for sale vintage norton. Distance between centers 3 58 approxhole diameter 38. Ajsmatchless 1930s1940 girder fork 7 heavy weight ebay. Rsv customs tribute board tracker build bare metal frame 26 inch wheels girder forks buell harley. Although girder forks are associated with early motorcycles, the british ariel ace, a modern sports motorcycle, has an alloy space frame and a matching girder fork. One of the earliest types of motorcycle front suspension, the girder fork consists of a pair of uprights attached to the triple clamp by linkages with a spring usually between the top and bottom triple clamps. When talking about motorcycle suspension most riders understand fork rake angle, or at least believe they do, but when the term trail is introduced, the body of knowledge seems to get a bit. See more ideas about bike design, custom bikes and mini bike. If you dont have a paughco dealer in your area, please give us a call tollfree at 8004232621 and well help you out over the phone. The 8 wide kit is for narrow glide hubs and disc brakes. Build your own old school chopperbobber springer parts.
Girder fork handle bar clamp handle bar hole unfortunately the label has got torn off. We have the ability to produce custom fork tubes up to 41mm. This ariel girder fork is just as prone to brake dive as any telescopic fork, but is. A brief history of girder forks classic motorcycle. Common girder suspension forks design, custom bicycle, bike. When building a custom motorcycle from the ground up one of the first important decisions you have to make is to choose a front end style, probably among 4 styles. Our online store is open and we are here to answer any. A motorcycle fork connects a motorcycles front wheel and axle to its frame, typically via a yoke. Back in the 70s they were haught sheit, but a lot of guys wound up on the asphalt because of them. A brief history of girder forks classic motorcycle repair.
We strive to bring you the highest quality parts at the best prices. Motorcycle girder fork chopper for sale motorcyle parts. We make a wide range of fork tubes for most motorcycles, atv and dirt bikes. The design reached its peak in the girdraulics used on the vincent motorcycle. Yamaha r1 aluminum girder front suspension from suspensionsmith of australia. Girder front ends are much more than for strength and looks. Glide or hydraulic, springer, spring leaf or girder, with the hydraulic system being the. The most common form of front suspension for a modern motorcycle is the telescopic fork. I spent some quality time tonight with bernie nicholsons excellent book, and perused girder fork layouts of numerous prewar machines.
One of the earliest types of motorcycle front suspension, the girder fork consists of a pair of uprights attached to. All of the components are precision cnc machined from billet steel bar stock. That includes researching and sourcing the best books on collectible and rare bikes available anywhere. The girder front end is one of the earliest types of both bicycle and motorcycle front.
This is what i chose when building my hardtail sportster. Custom harleys, custom motorcycles, custom bikes, forks design, motorbike design, motos harley davidson, motorised bike, bike details, trike motorcycle. The brampton fork, later fitted to vincents, was similar in concept to the webb. New listing girder motorcycle forks vintage british very rare good used condition. If you are lucky enough to avoid a tank splapper, you will get beat to death on bumpy corners and roads. George counes fabricates custom frames, parts and accessories for harley davidson motorcycle riders. With most following the same basic principals, they were, not surprisingly, very similar in design. We use dom seamless tubing for the front legs, and triple plate it to perfection. I also will weld on tabs for fender,headlight and brake braces. Diy girder fork construction and design forks design, custom. Writing resources writing help writing a book writing tips science writing report writing writing prompts perito criminal forensic anthropology.
Bsa book m20 m21 m22 m23 m24 m33 gold star 19371948 reprinted motorcycle manual. Find nos, new,refurnished, hard to front girder springer fork handlebar clamps, washers, steering damper assembly and rubber parts which came fitted to vintage enfield, norton, bsa, matchless, triumph, indian chief, harley motorcycles online at royal spares reasonable prices worldwide delivery more than thousands of satisfied customers use royal spares. Yamaha r1 with aluminum girder front suspension from suspensionsmith of australia. Man, i wouldnt go back to girder forks for anything. Ever since then practically every year i have had to beat out the dents where the mudguard hits the steering damper on big bumps. The idea for the girder mountain bike fork came about as a proof of concept for a high performance girder motorcycle fork. I have a very well made,long girder fork,with barrel spring. Bsa m20 m21 500cc front girder fork springer assembly chrome and black 0 results.
Awesome concepts drawings based on models sketch book daniel simon everything i do, starts and ends with a drawing. It is, however, not possible to take out one spindle separately, and two should always be removed together as follows the procedure is the same for top or bottom spindles except that to remove the bottom ones it will also be necessary to take out the bolt securing the. No results for motorcycle girder fork chopper similar to motorcycle girder fork chopper on ebay. The american motorcycle, author allen girdler suggests the model s isnt a success story. I am looking for the dimensions of an oem preunit girder fork. A brief history of girder forks different forks for different folks by robert smith. Girder front ends have enormous potential for wobble, as they throw good suspension design out the window for the sake of appearance. Jeff stone is at the cotton motor show, taking a look at some classic motorbike girder forks. The types of girder forks found on motorcycles fall broadly into two main categories. We also offer worldwide shipping, making your motorcycle maintenance even more efficient for motorcycle owners across the united states and worldwide.