Description
The RAM Handlebar U-Bolt Base for 1" to 1.25" rails adds a RAM B Size 1" ball mounting point to compatible handlebars, round rails, and tubular mounting locations. The U-bolt design allows the base to clamp around rails within the supported diameter range, making it a versatile starting point for many RAM Mounts setups.
This component is commonly used on motorcycles, ATVs, bicycles, boats, carts, work equipment, and other rail-based applications where a strong, adjustable RAM ball connection point is needed.
Key Features
- U-bolt base designed for 1" to 1.25" diameter handlebars and rails
- Includes RAM B Size 1" rubber ball positioned at a right angle to the mounting rail
- Compatible with RAM B Size socket arms and related 1" ball components
- Stainless steel coated metal U-bolt provides a secure clamp-style attachment
- Includes Nylock nuts and rubber caps to cover exposed U-bolt ends
- Marine-grade aluminum construction for durability
- Weight capacity of 2 lbs. for standard use and 1 lb. for heavy-duty use
Use Cases & Compatibility
This RAM U-bolt base is designed for round rails, handlebars, and tubular mounting points measuring 1" to 1.25" in diameter. It can be used with RAM B Size socket arms and compatible device holders, cradles, adapter plates, or other B Size mounting components.
Common applications include motorcycle handlebars, ATV rails, boat rails, utility carts, machinery, and other equipment with compatible round tubing. Always confirm the rail diameter before installation.
Specifications
Ball Size: B Size 1" rubber ball
Material: Marine-grade aluminum
Clamp Range: 1" to 1.25" diameter handlebars / rails
Weight Capacity: Standard Use: 2 lbs.; Heavy-Duty Use: 1 lb.
Included Hardware: One 1/4"-20 U-bolt for 1" to 1.25" rails; two 1/4"-20 Nylock nuts; two rubber caps
Product Weight: 0.22 lb.
Additional Details: Ball is designed to sit at a right angle to the mounting rail
What’s Included
- RAM handlebar U-bolt base with B Size 1" ball
- 1/4"-20 U-bolt for 1" to 1.25" rails
- Two 1/4"-20 Nylock nuts
- Two rubber caps
Brand & Warranty
Brand: RAM Mounts
Manufacturer Part Number: RAM-B-231-1U
Warranty: Manufacturer's lifetime warranty
Gadget Mounts is an Authorized RAM Mounts Dealer.

