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Difference between revisions of "Swingarm"
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Swingarms have come in several forms over the years: | Swingarms have come in several forms over the years: | ||
'''Twin-shock''' - the original version consisting of a pair of parallel pipes holding the rear axle at one end and pivoting at the other. A pair of [[shock absorber]]s are mounted just before the rear axle and attached to the frame below the seat rail. | '''[[Twin-shock]]''' - the original version consisting of a pair of parallel pipes holding the rear axle at one end and pivoting at the other. A pair of [[shock absorber]]s are mounted just before the rear axle and attached to the frame below the seat rail. | ||
'''Monoshock''' - came about in the mid-eighties and utilized a single shock mounted behind or under the engine and linked to the swingarm with additional pivots. This arrangement allowed for greater suspension travel and eliminates the need to synchronize shock absorbers. | '''[[Monoshock]]''' - came about in the mid-eighties and utilized a single shock mounted behind or under the engine and linked to the swingarm with additional pivots. This arrangement allowed for greater suspension travel and eliminates the need to synchronize shock absorbers. | ||
'''Single-sided''' swingarms allow the rear wheel to be mounted like those of an automobile. This makes wheel maintenance simpler since removal involves the loosening of a single nut, sliding the wheel forward to slacken and uncouple the drivechain, and then pulling out the axle shaft. With their S-shaped contour, these swingarms need to be much stiffer than the double-sided versions to accommodate the new torsional forces incurred by holding onto the wheel by just one side. Having a single mounting point also guarantees proper wheel alignment. | '''Single-sided''' swingarms allow the rear wheel to be mounted like those of an automobile. This makes wheel maintenance simpler since removal involves the loosening of a single nut, sliding the wheel forward to slacken and uncouple the drivechain, and then pulling out the axle shaft. With their S-shaped contour, these swingarms need to be much stiffer than the double-sided versions to accommodate the new torsional forces incurred by holding onto the wheel by just one side. Having a single mounting point also guarantees proper wheel alignment. | ||