Progressive Suspension 412 Series Shocks For Triumph Nitrogen-charged shocks with multi-stage, velocity-sensitive valving automatically adjust to riding conditions. Complete shock assemblies include chrome springs and covers. Progressively wound steel spring provides superior ride and handling. A five-position cam-style pre-load adjuster allows you to dial in your ride. Features: Available in Standard or Heavy Duty Chrome finish Made in the USA TUV approved Sold in pairs Note: Before attempting to install shocks that are different than the OEM length, confirm that your wheel travel can be altered without causing clearance issues.