SoCiMa Curved Laydown License Plate Mount for Harley 3-Bolt — Carbon-Fiber Frame, Steel Base

The SoCiMa 3149 is a curved laydown license plate mount with a carbon-fiber-style frame engineered to fit standard 4" x 7" plates and Harley-Davidson 3-bolt brackets for a low-profile, finished look.

This license plate mount combines a contoured bezel and a sturdy base plate so your plate sits flush and integrated with your bike’s rear end. Built with a steel base and an aluminum frame finished in a carbon-fiber appearance, it balances durability with a custom aesthetic. The kit ships with hardware and two screw color options so you can install it yourself and match your bike’s styling.

Will this mount fit my Harley or other bikes with a three-hole bracket?

Yes. The SoCiMa 3149 is designed specifically for the standard Harley-Davidson 3-bolt license plate mounting pattern and accepts 4" x 7" plates. It also supports a range of Honda VTX models and can be used in many custom setups where the three-hole spacing is present.

• Compatible with Harley-Davidson three-bolt standard brackets
• Holds standard 4" x 7" license plates
• Fits Honda VTX models ('03–'09 VTX1300 series, '02–'08 VTX1800 series)
• Usable in universal/custom installations with matching hole pattern

How hard is it to install this curved laydown mount?

Installation is straightforward for anyone comfortable with basic motorcycle hardware changes. The package includes all necessary mounting screws and hardware, plus two screw color choices so you can pick the best look for your bike.

• All mounting hardware included in the kit
• Two screw color options for visual matching
• Direct bolt-on to existing 3-hole brackets—no major modifications typically required
• DIY-friendly: common hand tools suffice

What materials and construction quality does the 3149 offer?

The mount uses a steel base plate for strength and an aluminum frame finished with a carbon-fiber style surface for a lightweight, high-quality look. SoCiMa reports factory testing to meet or exceed OEM durability expectations, and the construction resists road vibration and everyday wear.

• Steel base plate for structural reliability
• Aluminum frame with carbon-fiber appearance for reduced weight and visual appeal
• Precision fit between bezel and base for a seamless laydown profile
• Factory-tested to align with OEM standards for durability

Does SoCiMa provide support or warranty for this product?

SoCiMa backs the 3149 with a two-year warranty and offers customer support for returns and installation help. Their support promise includes timely email responses to resolve issues or answer fitment questions.

• 2-year warranty included
• Friendly return policy and responsive email support
• Customer service response typically within 24 hours

Who is this for: The SoCiMa 3149 curved laydown mount is aimed at motorcycle riders who want a low-profile, factory-finish license plate installation on Harley-Davidson bikes with a three-hole bracket or owners of compatible Honda VTX models. It's also a solid option for custom-bike builders who need a durable, attractive frame that accepts standard 4" x 7" plates and ships ready for DIY installation. If you value a refined rear-end appearance without extensive modification and want hardware included plus a short-term warranty, this mount fits that need.