PROGRESSIVE SUSPENSION
444 Series Shock - 13.5" - Heavy-Duty - Black
Part # 1310-1231
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- 60-day returns
- Free shipping over $100
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Confirmed fit for 35 motorcycle configurations across Harley-Davidson, model years 2009–2025.
| Years | Make & Model |
|---|---|
| 2025 | Harley-Davidson Tri Glide Ultra Classic FLHTCUTG |
| 2009-2024 | Harley-Davidson FLHTCUTG Tri Glide Ultra |
| 2015-2025 | Harley-Davidson FLRT Freewheeler |
| 2010-2011 | Harley-Davidson FLHXXX Street Glide Trike |
| 2020, 2022 | Harley-Davidson FLHTCUTGSE CVO Tri Glide |
| 2023-2025 | Harley-Davidson FLTRT Road Glide 3 |
- Deflective disc valving
- Pre-load spring adjusts by hand with no special tool needed
- Includes a progressive-rate spring and are high-pressure gas charged for consistent performance
- Made in the USA
- Shocks slightly longer than stock may alter head angle slightly and provide quicker steering.
- Shocks slightly shorter than stock may alter head angle and provide slower steering.
- Before purchasing or attempting to install shocks different than OEM length, confirm your wheel travel can be altered without causing clearance issues, such as swingarm/axle to exhaust contact and chain/belt guard or tire contact.
- Heavy duty applications recommended for bikes operating at or near maximum load rating over 50% of the time.
- Features the all-new Frequency Sensing Technology (FST) which allows the shocks to sense the frequency of a bump and automatically adjust damping for superior ride quality
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Overview
The PROGRESSIVE SUSPENSION 1310-1231: 444 Series Shock - 13.5" - Heavy-Duty - Black. Confirmed fit for 35 motorcycle configurations across Harley-Davidson, model years 2009–2025. Ships from Greasemoto — a veteran-owned motorcycle parts shop in Fort Worth, TX — with free U.S. shipping on orders over $100.
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