Description
The RAM-B-235U is a rugged double U-bolt rail base designed to attach a RAM Mounts B Size 1" ball to round rails measuring 1" to 1.25" in diameter. It provides a secure mounting point for building or replacing a RAM ball-and-socket mounting setup.
This base is commonly used on motorcycles, ATVs, UTVs, boats, carts, machinery, and other rail-mounted applications where a strong clamp-style mounting point is needed without drilling.
Key Features
- Includes a B Size 1" RAM rubber ball for compatibility with RAM B Size socket arms and holders
- Double U-bolt design clamps securely to rails from 1" to 1.25" in diameter
- Marine-grade aluminum construction for strength and durability
- Stainless steel U-bolts, nylock nuts, and rubber caps included
- Manufacturer-rated weight capacity of 2 lbs for standard use and 1 lb for heavy-duty use
Use Cases & Compatibility
The RAM-B-235U is compatible with RAM Mounts B Size 1" ball components, including B Size double socket arms and other related mounting components.
This base is a good choice for mounting to round rails on motorcycles, marine rails, utility vehicles, warehouse carts, industrial equipment, and similar applications where the rail diameter is between 1" and 1.25".
Specifications
Ball Size: B Size 1" Ball
Material: Marine-Grade Aluminum
Color: Black
Clamp Range: 1" to 1.25" Diameter Rails
Weight Capacity: Standard Use: 2 lbs; Heavy-Duty Use: 1 lb
Included Hardware: Two 1/4"-20 U-bolts, four 1/4"-20 nylock nuts, four rubber caps
Product Weight: 0.48 lb
Additional Details: Double U-bolt rail base for use with RAM B Size mounting systems
What’s Included
- RAM double U-bolt base with B Size 1" ball
- Two 1/4"-20 U-bolts for 1" to 1.25" rails
- Four 1/4"-20 nylock nuts
- Four rubber caps
Brand & Warranty
Brand: RAM Mounts
Manufacturer Part Number: RAM-B-235U
Warranty: Manufacturer's lifetime warranty
Gadget Mounts is an Authorized RAM Mounts Dealer.

