Progressive 412 Series shocks deliver tunable suspension performance with a durable double-wall steel body and nitrogen-charged damping. The 5-position preload adjuster lets you dial in ride height and stiffness for solo or two-up riding, while multi-stage velocity-sensitive valving keeps the bike planted on rough pavement and corners.
Fits Harley-Davidson models. Confirm your specific year and model with Progressive fitment charts before ordering.
Use the 5-position cam-style adjuster on the shock body to increase or decrease spring preload — one setting for light riders, five for heavier loads.
Shock installation varies by bike. Most riders have a qualified mechanic handle removal and installation to ensure proper alignment and torque specs.
Standard rate suits most riders under 200 lbs. Heavy-duty springs support heavier riders or two-up riding without excessive sag.
Chrome covers are an optional add-on on select applications. Check the product listing to confirm if your model offers them.
Yes — the nitrogen gas charging and multi-stage damping provide smoother, more consistent suspension response than many factory shocks from the first ride.
WARNING: Cancer and Reproductive Harm — California Prop 65 (Y). www.P65Warnings.ca.gov
| BRAND | Progressive |
| TYPE | Shocks and Struts |
| SKU | T14-614029 |
| WEIGHT | 9.1 lb |
The shocks seem super nice, but they are incredibly stiff. Turns out they’re 130/200 top to bottom. Would be nice to have an option to choose your spring rate. Couldn’t find it in the description either. Have them installed on a 1998 sportster 1200 by the way. I’m about 180lbs and they don’t move at all, my friend who weighs about 260 also said they were way to firm. Hope this helps.
