Progressive Front Fork Springs Rate: 36 lbs/in-57 lbs/in (11-1577)
- High-quality, high-performance replacement fork springs
- A Progressive Suspension rate spring has the advantage of a rising rate resistance to compression
- The benefit is the spring can be soft enough at the start of the travel to offer a "plush" ride, yet firm enough at the end of the travel to soak up the big bumps
- Spring rates have been chosen to reduce front-end dive during braking, yet still provide excellent ride comfort
- Free Length: 17.25"
- O.D.: 1.61"
- Rates: 30lbs/60"
| Compatible Vehicles | |||
| Years | Make | Model | Notes |
| 2016-2022 | Harley-Davidson | Forty Eight XL1200X | |
| 2019-2021 | Harley-Davidson | Iron 1200 XL1200NS | |
| 2016-2022 | Harley-Davidson | Iron 883 XL883N | |
| 2016-2020 | Harley-Davidson | Roadster XL1200CX | |
| 2016 | Harley-Davidson | Seventy Two XL1200V | |
| 2016-2019 | Harley-Davidson | Sportster 1200 Custom XL1200C | |
| 2016-2017 | Harley-Davidson | Sportster 1200 Super Low XL1200T | |
| 2016-2019 | Harley-Davidson | Sportster 883 Super Low XL883L | |