Fit For Harley Sportster Custom XL883C 1998-2003. Highpressure nitrogen shock absorbers：Highpressure nitrogen shock absorbers are safer, more comfortable and have stable performance.The difference between nitrogen shock absorbers and ordinary shock absorbers is that nitrogen shock absorbers are more stable in driving because nitrogen is more thermally stable than air.It is capable of maintaining stable damping for superior ride quality, provides excellent rearg performance.
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