12 SERIES12 Series shocks are gas-charged for superior, fade-free damping and consistent operationSix-stage, automatic damping designed with a special anti-topping functionDouble-wall shock body construction for piston protection and long lifeShocks have black finish and are sold in pairsSprings sold separately14 SERIESDesigned to be a stock-looking replacement shockFade-resistant multi-stage dampingDouble-wall construction for extra strength with oil- and heat-treated hard-chromed shaftsShocks have black finish and are sold in pairsSprings sold separatelyNOTE: Many fitments are available with either Standard or Heavy Duty springs. HD applications are recommended for bikes that are operated 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.