The 412s proven, durable design means they will be an imporvement on your Triumph's suspension performance.
All steel double wall damper with multistage velocity sensitive damping
5 position cam style preload adjuster
High Pressure Gas Charged for consistent damping performance
Standard or Heavy-Duty progressive rate springs in either chrome or black
Preload Type = 5-position Cam style
Damping Type = Multi stage velocity sensitive valving
Heavy Duty versions are recommended for riders that are 250lbs or more or for 2-up riding