Nitrogen-charged shocks with multi-stage, velocity-sensitive valving automatically adjust to riding conditions, Complete shock assemblies include chrome springs and covers, Designed specifically for cruiser and touring bikes, Progressively wound steel spring provides superior ride and handling, A five-position cam-style preload adjuster allows you to dial in your ride, Heavy Duty HD applications recommended for bikes operated at or near maximum load rating over 50% of the time., 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.