Features:
Spring rates included: 9.5 n/m, 10.0 n/m and 11.0 n/m Stroke length: 5.118" Weight range (Based on rider only because it’s a front cartridge kit) - Min 150 lb - Max 350 lb
Fit the models:
| Harley Davidson | FLFB 1750 ABS | 2018 |
| Harley Davidson | FLFB 1750 ABS | 2019 |
| Harley Davidson | FLFB 1750 ABS | 2020 |
| Harley Davidson | FLFBS 1868 ABS | 2018 |
| Harley Davidson | FLFBS 1868 ABS | 2019 |
| Harley Davidson | FLFBS 1868 ABS | 2020 |
| Harley Davidson | FLFBS 1868 ABS | 2021 |
| Harley Davidson | FLFBS 1868 ABS | 2022 |
| Harley Davidson | FLFBS 1868 ABS | 2023 |
| Harley Davidson | FLFBS 1868 ABS | 2024 |
| Harley Davidson | FXFB 1750 ABS | 2019 |
| Harley Davidson | FXFB 1750 ABS | 2018 |
| Harley Davidson | FXFB 1750 ABS | 2021 |
| Harley Davidson | FXFBS 1868 ABS | 2019 |
| Harley Davidson | FXFBS 1868 ABS | 2018 |
| Harley Davidson | FXFBS 1868 ABS | 2020 |
| Harley Davidson | FXFBS 1868 ABS | 2021 |
| Harley Davidson | FXFBS 1868 ABS | 2022 |
| Harley Davidson | FXFBS 1868 ABS | 2023 |
| Harley Davidson | FXLRS 1868 ABS | 2021 |
| Harley Davidson | FXLRS 1868 ABS | 2020 |
| Harley Davidson | FXLRS 1923 ABS | 2022 |
| Harley Davidson | FXLRS 1923 ABS | 2023 |
| Harley Davidson | FXLRS 1923 ABS | 2024 |
| Harley Davidson | FXLRST 1923 ABS | 2024 |
| Harley Davidson | FXLRST 1923 ABS | 2022 |
| Harley Davidson | FXLRST 1923 ABS | 2023 |

Öhlins Racing AB is a Swedish suspension manufacturer founded in 1976 by Kenth Öhlin. Based in Upplands Väsby, Sweden, the company is renowned worldwide for its high-performance suspension systems used in motorcycles, cars, mountain bikes, and motorsports. Öhlins has powered over 300 world championship titles across MotoGP, WSBK, F1, and WRC. Initially independent, it was acquired by Tenneco in 2019, and became part of Brembo in 2025.
| Brand | Model | Year | Name | CC |
|---|---|---|---|---|
| Harley Davidson | FXFB | 2018 | Softail Fat Bob 107 | 1750 |
| Harley Davidson | FXFBS | 2018 | Softail Fat Bob 114 | 1868 |
| Harley Davidson | FLFB | 2018 | Softail Fat Boy 107 | 1750 |
| Harley Davidson | FLFBS | 2018 | Softail Fat Boy 114 | 1868 |
| Harley Davidson | FLFBS | 2018 | Softail Fat Boy Anniversary (ANX) 114 | 1868 |
| Harley Davidson | FLFBS | 2018 | Softail Fat Boy Anniversary (ANV) 114 | 1868 |
| Harley Davidson | FLFB | 2019 | Softail Fat Boy 107 | 1750 |
| Harley Davidson | FLFBS | 2019 | Softail Fat Boy 114 | 1868 |
| Harley Davidson | FXFB | 2019 | Softail Fat Bob 107 | 1750 |
| Harley Davidson | FXFBS | 2019 | Softail Fat Bob 114 | 1868 |
| Harley Davidson | FLFB | 2020 | Softail Fat Boy 107 | 1750 |
| Harley Davidson | FLFBS | 2020 | Softail Fat Boy 114 | 1868 |
| Harley Davidson | FXFBS | 2020 | Softail Fat Bob 114 | 1868 |
| Harley Davidson | FXLRS | 2020 | Softail Low Rider S 114 | 1868 |
| Harley Davidson | FLFBS | 2021 | Softail Fat Boy 114 | 1868 |
| Harley Davidson | FXFB | 2021 | Softail Fat Bob 107 | 1750 |
| Harley Davidson | FXFBS | 2021 | Softail Fat Bob 114 | 1868 |
| Harley Davidson | FXLRS | 2021 | Softail Low Rider S 114 | 1868 |
| Harley Davidson | FLFBS | 2022 | Softail Fat Boy 114 | 1868 |
| Harley Davidson | FXFBS | 2022 | Softail Fat Bob 114 | 1868 |
| Harley Davidson | FXLRS | 2022 | Softail Low Rider S 117 | 1923 |
| Harley Davidson | FXLRST | 2022 | Softail Low Rider ST 117 | 1923 |
| Harley Davidson | FXLRST | 2022 | Softail Low Rider ST EL Diablo 117 | 1923 |
| Harley Davidson | FXLRST | 2023 | Softail Low Rider ST 117 | 1923 |
| Harley Davidson | FXLRS | 2023 | Softail Low Rider S 117 | 1923 |
| Harley Davidson | FXFBS | 2023 | Softail Fat Bob 114 | 1868 |
| Harley Davidson | FLFBS | 2023 | Softail Fat Boy 114 | 1868 |
| Harley Davidson | FXLRS | 2024 | Softail Low Rider S 117 | 1923 |
| Harley Davidson | FXLRST | 2024 | Softail Low Rider ST 117 | 1923 |
| Harley Davidson | FLFBS | 2024 | Softail Fat Boy 114 | 1868 |
OHLINS FKS 508 Cartridge Kit Harley Davidson FLFB / FXFB / FXLRST / FXFBS 1750-1923cc 18-24
/ pcs.