RAM 2.25" ball (D size) components are a strong favorite for consumers and industry alike. Capable of holding up to 6 pounds, D size mounts and components are engineered to hold heavier devices and work in harsh environments.
It's easy to build a custom RAM D Size Mounting system with just three simple steps.
1. Choose a D size adapter
2. Choose a D size arm
3. Choose a D size base
It's easy to build a custom RAM D Size Mounting system with just three simple steps.
1. Choose a D size adapter
2. Choose a D size arm
3. Choose a D size base

RAM Mounts
RAM Mount 6.25" x 2" Marine Electronics Base Plate with 2.25" Ball
Sale price$31.99
In stock
RAM Mounts
RAM Dual U-Bolt Base with 2.25" Ball for 1" - 1.25" Diameter Rails / Posts
Sale price$40.99
In stock
RAM Mounts
RAM Clamp Base with 2.25" Ball For Rails 1.25" - 1.875" in Diameter
Sale price$51.49
In stock
RAM Mounts
RAM 2.5" Diameter Base with AMPS and 120-degree Hole Pattern and 2.25" Rubber Ball
Sale price$28.99
In stock
RAM Mounts
RAM Mount 2.5" Diameter Round AMPS Hole Pattern Base with 2.25" Rubber Ball
Sale price$25.99
Sold out
RAM Mounts
RAM Post Clamp Base with 2.25" Ball - Fits Square Posts up to 5" Wide
Sale price$96.99
In stock
RAM Mounts
RAM Post Clamp Base with 2.25" Ball For Square Posts up to 2.5" Wide
Sale price$40.49
In stock
RAM Mounts
RAM Post Clamp Base with 2.25" Ball - Fits Square Posts up to 3" Wide
Sale price$54.99
In stock
RAM Mounts
RAM Double U-Bolt Mount Base with 2.25" Ball for 1.25" - 1.5" Rails
Sale price$38.99
In stock
RAM Mounts
RAM Clamp Base with 2.25" Rubber Ball For Rails 2" - 2.5" in Diameter
Sale price$78.49
In stock