Progressive Suspension PS-412-4064B 412 Series 12.5" Standard Spring Rate Rear Shock Absorbers Black for Sportster 04-21 • This tester can be

• This tester can be used to troubleshoot cylinder leakdown issues such as bad valve seats

Tread Compound

Twill stretch

• Integrated anti-scratch sun visor

Progressive Suspension PS-412-4064B 412 Series 12.5" Standard Spring Rate Rear Shock Absorbers Black for Sportster 04-21 • This tester can beThe 412 Series shocks are simply the best value shock on the market today. The 412s simple, durable design means they will be an improvement to your motorcycle's suspension performance for as long as you are riding it. The doublewall steel body construction with nitrogen charged, multi staged velocity sensitive valving gives you smooth, consistent damping. A five position cam style preload adjuster lets you dial in your ride whether you're a light