Progressive 444 Series Motorcycle Standard Black 11.5" Rear Shocks (444-4063B)
- Feature 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
- Deflective disc valving
- Adjust spring preload by hand, no special tool needed
- Include a progressive rate spring and is high-pressure gas charged for consistent performance
- Sold in pairs
- Made in the U.S.A.
NOTE: A shock which is slightly longer than stock may alter the head angle slightly and provide somewhat quicker steering.
NOTE: A shock which is slightly shorter than stock may slightly alter the head angle and provide somewhat slower steering.
NOTE: Heavy duty applications are recommended for bikes operating at or near the manufacturer"s maximum load rating over 50% of the time.
NOTE: Before purchasing or attempting to install shocks that are different than the OEM length, confirm that your wheel travel can be altered without causing clearance issues, such as swingarm/axle to exhaust contact as well as chain/belt guard or tire contact.
| Compatible Vehicles | |||
| Years | Make | Model | Notes |
| 2010-2021 | Harley-Davidson | Forty Eight XL1200X | |
| 2018-2019 | Harley-Davidson | Forty Eight XL1200XS Special | |
| 2018-2021 | Harley-Davidson | Iron 1200 XL1200NS | |
| 2009-2021 | Harley-Davidson | Iron 883 XL883N | |
| 2016-2020 | Harley-Davidson | Roadster XL1200CX | |
| 2012-2016 | Harley-Davidson | Seventy Two XL1200V | |
| 2007 | Harley-Davidson | Sportster 1200 50th Anniversary XL50 | |
| 2004-2019 | Harley-Davidson | Sportster 1200 Custom XL1200C | |
| 2006-2011 | Harley-Davidson | Sportster 1200 Low XL1200L | |
| 2007-2012 | Harley-Davidson | Sportster 1200 Nightster XL1200N | |
| 2004-2008 | Harley-Davidson | Sportster 1200 Roadster XL1200R | |
| 2014-2017 | Harley-Davidson | Sportster 1200 Super Low XL1200T | |
| 2004-2009 | Harley-Davidson | Sportster 883 Custom XL883C | |
| 2005-2010 | Harley-Davidson | Sportster 883 Low XL883L | |
| 2005-2007 | Harley-Davidson | Sportster 883 Roadster XL883R | |
| 2011-2019 | Harley-Davidson | Sportster 883 Super Low XL883L | |
| 2004-2008 | Harley-Davidson | Sportster 883 XL883 | |