Master Cylinder Cover – Front Brake – Chrome – for Harley-Davidson Softail Models (2018–2025)
- Free shipping on orders over $250
- Returns and exchanges: see our policy
- Questions? Call 715-235-3659 or chat with us on the site.
Description
Thrashin Supply Co. Chrome Front Brake Master Cylinder Cover for Harley-Davidson Softail Models
Bring classic shine and precision performance to your Harley-Davidson® with the Thrashin Supply Co. Chrome Front Brake Master Cylinder Cover. Crafted from 6061 aircraft-grade aluminum, this cover offers a perfect balance of strength, lightweight durability, and timeless chrome styling.
Designed to reuse the factory OEM gasket, the cover ensures a leak-free fit while delivering a high-end finish that instantly upgrades your controls. Installation is simple with the included hardware, and its precision-machined design guarantees seamless alignment with your stock master cylinder.
Proudly made in the USA, this chrome master cylinder cover embodies the quality, fit, and attention to detail Harley riders expect from Thrashin Supply Co.
Key Features
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Premium Construction: CNC-machined from 6061 aircraft-grade aluminum for unmatched strength and precision.
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High-Polish Chrome Finish: Adds classic Harley-Davidson shine and custom flair.
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Easy Installation: Includes all mounting hardware and reuses factory OEM gasket.
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Engineered Fit: Designed specifically for Harley-Davidson Softail master cylinders.
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Made in the USA: Built with American craftsmanship and performance in mind.
Fitment – Harley-Davidson Models
Fits the following Harley-Davidson® Softail models:
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2025 FXBR Softail Breakout
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2025 FXBB Street Bob 117
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2023–2025 FXBR Breakout 117
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2022–2025 FXLRS Low Rider S 117
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2022–2025 FXLRST Low Rider ST 117
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2022, 2025 FXBB Softail Street Bob
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2021–2024 FXBBS Street Bob 114
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2020–2021 FXLRS Low Rider S 114
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2018–2023 FXFBS Fat Bob 114
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2018–2021 FLSL Softail Slim 107
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2018–2020 FXBB Street Bob 107
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2018–2020 FXBRS Breakout 114
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2018–2020 FXLR Low Rider 107
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2018–2019 FXFB Fat Bob 107
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2018–2019 FXBR Breakout 107
Fitment is based on stock configurations. Aftermarket handlebar or control modifications may affect compatibility.
Technical Specifications
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Product Name: Master Cylinder Cover
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Brand: Thrashin Supply Co.
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Type: Front Brake Reservoir Cap
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Material: 6061 Aircraft-Grade Aluminum
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Finish: Chrome (Polished)
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Mounting Style: Bolt-On (Hardware Included)
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Compatibility: Reuses OEM Gasket
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Units: Kit
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Riding Style: Street / Cruiser / Softail
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Made in: USA
Fitment
Fits Harley-Davidson Softail Models - 2018 to 2025
Not sure it fits your bike? Call 715-235-3659 or chat with us on the site and a tech can confirm it with you.
Specifications & Installation
| Brand | Thrashin Supply Co. |
|---|---|
| Part number | 107181 |
| Product type | Master Cylinders |
| Premium Construction | CNC-machined from 6061 aircraft-grade aluminum for unmatched strength and precision |
| High-Polish Chrome Finish | Adds classic Harley-Davidson shine and custom flair |
| Easy Installation | Includes all mounting hardware and reuses factory OEM gasket |
| Engineered Fit | Designed specifically for Harley-Davidson Softail master cylinders |
| Made in the USA | Built with American craftsmanship and performance in mind |
| Product Name | Master Cylinder Cover |
| Type | Front Brake Reservoir Cap |
| Material | 6061 Aircraft-Grade Aluminum |
| Finish | Chrome (Polished) |
| Mounting Style | Bolt-On (Hardware Included) |
| Units | Kit |
Videos
Want it installed right? Book the Nowaskey Speed Shop or call 715-235-3659.
Questions Riders Ask
Will this fit my bike?
Fits Harley-Davidson Softail Models - 2018 to 2025.
Save your bike with Shop by Bike and we check it for you. Not sure? Call or chat with us on the site and a tech can confirm it with you.
What's the part number?
Manufacturer part number 0610-2386 (Thrashin Supply Co.). Our item number is 107181.
Can I install it myself?
Most riders with basic tools and a service manual can. The Specifications & Installation tab lists difficulty, time and guides where we have them. Prefer a pro install? Book a Speed Shop slot and call to check current availability.
Who do I talk to after I buy?
Our techs. Call 715-235-3659 or chat with us on the site and you will reach the people who know these parts.
Still have a question? Call 715-235-3659 or chat with us on the site.
Premium Performance Parts
Race-proven suspension, front ends and brakes we stand behind
Track-proven Performance
Nowaskey Extreme Performance is a Harley-Davidson suspension and performance shop in Menomonie, Wisconsin. We design our own shocks, fork cartridges and front-end packages, test them in King of the Baggers racing, and back Nowaskey-brand products with a lifetime warranty.
Every setup is matched to your bike, your weight and the way you ride.