Product details:

Features the all new frequency sensing technology (fst) which allows the shocks to sense the frequency of a bump and automatically adjust damping for superior ride qualitydeflective disc valvingadjust spring pre-load by hand, no special tool neededincludes a progressive rate spring and is high-pressure gas charged for consistent performancestandard or heavy duty spring rate with a black or chrome finishsold in pairsmade in the u. S. A. Note: a shock which is slightly longer than stock may alter the head angle slightly and provide somewhat quicker steering. Note: a shock which is slightly shorter than stock may slightly alter the head angle and provide somewhat slower steering. Note: for oem shock lengths, see the quick reference guide in the back of the fatbook. Note: heavy duty applications are recommended for bikes operating at or near the manufacturer's maximum load rating over 50% of the time. Note: before purchasing or attempting to install shocks that are different than the oem length, confirm that your wheel travel can be altered without causing clearance issues, such as swingarm/axle to exhaust contact as well as chain/belt guard or tire contact. 444-4061c shocks 12"chr h-d