RAM Mounts
RAM Clamp Base with 2.25" Rubber Ball For Rails 2" - 2.5" in Diameter
Best heavy-duty mount for securing large equipment to thick rails.
Secure your devices with the RAM Mounts Clamp Base, engineered for rails between 2 and 2.5 inches in diameter. This robust mount features a marine-grade aluminum casting and a 2.25-inch rubber ball, ensuring compatibility with most RAM D size socket arms. It includes all necessary stainless steel hardware for a complete and reliable installation. Built for durability and performance, this mount provides a stable point for your equipment. Proudly made in the USA, it comes with a lifetime manufacturer's warranty for peace of mind.
$85.49
Owner Satisfaction
4.8
/ 5
Category Rank
2
/ 303
#2 in Television Parts & Accessories
Price vs Category Average
-74%
Below average
Ball Size
2.25
/ " rubber ball
Who it's for
- Users needing quick, drill-free mounting on large rails
- Boaters and professionals mounting heavy GPS or rugged tablets
- Outdoor adventurers requiring gear that survives saltwater exposure
Who should skip it
- Budget-conscious buyers seeking mounts for lightweight devices
- Owners with limited cockpit or dashboard space
- People with smaller tubing or non-standard rail sizes
Performance breakdown
Build Durability
Marine-grade aluminum construction ensures long-term resilience in harsh environments.
Clamping Stability
Robust hardware provides a rock-solid grip on rails within specified diameters.
System Compatibility
Seamlessly integrates with the extensive RAM D size mounting ecosystem.
Installation Versatility
Flexible design allows for secure mounting in both horizontal and vertical orientations.
Load Bearing Capacity
Handles six pounds of gear with impressive structural integrity and balance.
Warranty Assurance
Lifetime manufacturer coverage guarantees lasting peace of mind for your investment.
Key Specs
Ball Size
2.25" rubber ball
Clamp Diameter Range
2" - 2.5"
Material
Marine-grade aluminum casting
Hardware
Includes 4 stainless steel bolts, nuts, and cover caps
Compatibility
Fits most RAM 2.25" ball compatible socket arms (D size)
Mounting Orientation
Works horizontally or vertically
Weight Capacity
6 lbs
Mount Type
Clamp
Features
- Securely clamps to rails 2"-2.5"
- 2.25" rubber ball for D size socket arms
- Marine-grade aluminum construction
- Includes stainless steel hardware
- Horizontal or vertical mounting
- Made in the USA
- Lifetime warranty
What customers say
Consumers view this RAM Mount clamp as the gold standard for heavy duty reliability. The robust construction and large 2.25 inch rubber ball system provide an exceptionally secure grip on rails, eliminating concerns about slippage or failure in high vibration settings. Users consistently highlight the premium quality materials, noting that the mount offers unmatched peace of mind when securing expensive electronics. While it represents a significant investment, the long term durability and flawless performance make it an outstanding value.
Know before you buy
Yes, the clamp is specifically engineered to accommodate rails within the 2-inch to 2.5-inch diameter range. It provides a secure fit for any rail size within those specific parameters.
This base features a 2.25-inch rubber ball, which is designed to work with RAM D size socket arms. It will not be compatible with smaller A, B, or C size components.
You can mount this base on both horizontal and vertical rails. The clamp design is versatile enough to maintain a stable hold regardless of the orientation of the mounting surface.
Yes, the product includes all necessary stainless steel bolts, nuts, and cover caps. Because it is made from marine-grade aluminum and stainless steel, it is highly resistant to corrosion and suitable for outdoor or marine environments.
This mount has a weight capacity of 6 pounds. It is important to ensure your device and any attached accessories do not exceed this limit to maintain stability and prevent slippage.
Still have a question?
Ask Hayley anything about this product before you decide.