Eagle Lights® SIGHTLINE™ Windowed Derby Cover – Fits 2018+ Harley-Davidson® M8 Softail Models
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See the Heart of the Machine.
The Eagle Lights® SIGHTLINE™ Windowed Derby Cover gives your Harley-Davidson® a one-of-a-kind look while showcasing the mechanical beauty inside. Built for riders who appreciate both performance and precision, this clear-view derby cover lets you watch your clutch in motion while adding a bold, industrial aesthetic to your engine.
Key Features
Perfect Fitment:
Designed to fit 2018–Current Softail Models equipped with Milwaukee-Eight® engines, including the Street Bob®, Fat Bob®, Fat Boy®, Heritage Classic®, Low Rider®, and Breakout®.
Precision-Cut Construction:
CNC-machined from forged aluminum alloy for strength and long-term durability. Finished in deep black with stainless hardware for a clean, aggressive look that complements your bike’s modern design.
Impact-Resistant Window:
Features a crystal-clear, heat-resistant polycarbonate window so you can view clutch movement in real time. Built to withstand vibration, pressure, and heat without fogging, scratching, or discoloration.
Show-Ready Finish:
The SIGHTLINE™ design blends rugged mechanical engineering with a high-end finish — enhancing your Harley-Davidson®’s Milwaukee-Eight® powertrain whether parked or in motion.
Specifications
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Material: CNC-Machined Forged Aluminum
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Finish: Gloss Black
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Window Material: Polycarbonate (Impact & Heat Resistant)
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Fitment: 2018–Current Harley-Davidson® Softail Models (Milwaukee-Eight® Engines)
In the Box
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1 × Eagle Lights® SIGHTLINE™ Windowed Derby Cover
Eagle Lights® — Never Go Dark®. Always Be Seen.
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Width
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Height
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Depth
For routine care and long-term protection, we recommend RideRevive on all parts of your bike. It’s safe for all surfaces and perfect for regular maintenance. For the best results, pair it with our MotoFiber towels, engineered for safe, swirl-free cleaning.
We offer a full detailing kit for your ride here.
Use the fitment tool above to quickly confirm compatibility, or review the full fitment list below.
Vehicle Fitment
Harley-Davidson® Softail Models
| Model | Year Range |
|---|---|
| Breakout 107 (FXBR) | 2019–2020 |
| Breakout 114 (FXBRS) | 2019–2021 |
| Breakout 117 (FXBR) | 2023–2024 |
| Breakout | 2025 |
| Deluxe 107 (FLDE) | 2019–2020 |
| Fat Bob 107 (FXFB) | 2019–2020 |
| Fat Bob 114 (FXFBS) | 2019–2023 |
| Fat Boy 107 (FLFB) | 2019–2020 |
| Fat Boy 114 (FLFBS) | 2019–2024 |
| Fat Boy | 2025 |
| Heritage Classic 107 (FLHC) | 2019–2021 |
| Heritage Classic 114 (FLHCS) | 2019–2024 |
| Heritage Classic | 2025 |
| Low Rider 107 (FXLR) | 2019–2020 |
| Low Rider S 114 (FXLRS) | 2020–2021 |
| Low Rider S 117 (FXLRS) | 2022 |
| Low Rider S | 2023–2025 |
| Low Rider ST 117 (FXLRST) | 2022–2023 |
| Low Rider ST | 2024–2025 |
| Sport Glide 107 (FLSB) | 2019–2022 |
| Street Bob 107 (FXBB) | 2019–2020 |
| Street Bob 114 (FXBBS) | 2021–2024 |
| Street Bob | 2025 |
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Eagle Lights was featured on Motorhead Garage, highlighting the products, support, and quality riders have trusted since 2005.
We build premium LED headlights and motorcycle lighting upgrades designed to improve visibility, simplify installation, and give riders confidence on the road.
