This bike was built with a new Harley Davidson EVO engine & new Harley 5 speed transmission from HD dealer in Arizona.It has a primary Primo belt drive with PRO clutch system,Crane ignition, Vance & Hines exhaust pipes, plus S&S carb.It has Jesse James rear fender & Performance Machine rear brake. The Triumph Sprint ST and Speed Triple also feature single-sided swingarms.Very nice looking custom motorcycle with Atlas 3" stretch softtail frame, chrome Harley springer front end & floating rotor,with cool Fat Katz aluminum gas tank. While Ducati abandoned this style for the 999, the company returned to it for the 1098 superbike in 2007, and it survives in the current Ducati 1199. Ducati has created several models featuring single swingarms, most notably the Massimo Tamburini-designed 916 series. Honda currently features this style of swingarm on the Honda VFR. In 1980, BMW introduced its first single-sided swingarm on the R80G/S, the "Mono-lever", which was superseded by the "Para-lever" used currently. In 1950 Moto Guzzi introduced the Galletto, a large-wheel step-through scooter. In 1948, the Imme R100 produced by Norbert Riedel of Germany had both a single-sided front wheel suspension as well as a single-sided rear swingarm that doubled as the exhaust pipe. Single-sided swingarms date from at least the late 1940s. Having a single mounting point guarantees proper wheel alignment. Also found on scooters, where a robust chain case doubles as the swingarm linking the engine and rear wheel, single-sided swingarms need to be much stiffer and more heavily built than double-sided, to accommodate the extra torsional forces. Single-sided swingarm - a suspension lying along only one side of the rear wheel, allowing it to be mounted to a hub like a car wheel. Įxtended swingarms - are often used by drag racing motorcycles (called dragbikes) to keep their center of gravity as forward as possible, which reduces the tendency to wheelie at the start. An upper arm serves as a guide to close the geometry of the suspension. Moto Guzzi patented its Compact Reactive Drive Shaft system (Ca.R.C.), where the driveshaft is free to float into its structure, providing much softer feedback from transmission. In motorcycles with shaft drive, such as the Yamaha XJ650 Maxim, the shaft housing forms the left side swingarm.īMW's Paralever rear suspension on a 2015 R1200RTīMW introduced its Paralever system on its 1988 R80GS and R100GS motorcycles, which adds a second link between the rear drive and transmission to allow the driveshaft to pivot along the same axis as the sprung rear frame. In this case it aids in simplifying maintenance. The swingarm has also been used for the front suspension of scooters. In particular, sidecar motocross outfits frequently use swingarm front forks. Some manufacturers, such as Greeves, used swingarm designs for the front forks, which were more robust than telescopic forks. In the latter, the movement in each direction was against coiled springs. Immediately before and after World War II, the plunger suspension, in which the axle moved up and down two vertical posts, became commonplace. Many types of suspension were tried, including Indian's leaf spring suspended swingarm, and Matchless's cantilevered coiled-spring swingarm. Originally motorcycles had no rear suspension, as their frames were little more than stronger versions of the classic diamond frame of a bicycle. The main component of the rear suspension of most modern motorbikes and ATVs, it holds the rear axle firmly, while pivoting to absorb bumps and suspension loads induced by the rider, acceleration, and braking. A swingarm, or "swinging arm" (UK), originally known as a swing fork or pivoted fork, is a single or double sided mechanical device which attaches the rear wheel of a motorcycle to its body, allowing it to pivot vertically.
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