Progressive 444 Series shocks use patented Frequency Sensing Technology (FST) to dynamically adjust damping in real time, responding to small bumps and big hits with automatically tuned oil flow for consistent comfort. Hand-adjustable preload, made in USA with a limited lifetime warranty.
Fits Harley-Davidson. Check your model year and bike type (cruiser, touring, etc.) against the specific part number to confirm compatibility.
FST dynamically senses bump frequency as you ride and automatically adjusts damping oil flow — small bumps get less resistance, big hits get more — for improved comfort without manual adjustment.
Yes. The top-mount threaded preload adjuster twists by hand — no special tools or shop visit needed.
Yes. Progressive 444 shocks are manufactured in the USA.
Progressive offers standard and heavy duty spring rate options. Choose heavy duty if you frequently ride two-up or carry loads.
Limited lifetime warranty covers defects in materials and workmanship.
WARNING: Cancer and Reproductive Harm — California Prop 65 (Y). www.P65Warnings.ca.gov
| BRAND | Progressive |
| TYPE | Shocks and Struts |
| SKU | T14-614108 |
| WEIGHT | 7.7 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.
