Description
The RAM-B-231ZU is a handlebar U-bolt base with a RAM® B Size 1" rubber ball, designed for round rails from 0.5" to 1.25" in diameter. It provides a secure mounting point for building a RAM® ball-and-socket mounting setup on motorcycles, ATVs, UTVs, bicycles, carts, equipment rails, and other tubular mounting locations.
This base includes two U-bolts, a spacer, nylock nuts, and rubber caps for the exposed U-bolt ends. Once installed, it connects to compatible RAM® B Size socket arms, device holders, cradles, and adapters.
Key Features
- Zinc-coated metal U-bolt base with RAM® B Size 1" rubber ball
- Fits round rails and handlebars from 0.5" to 1.25" in diameter
- Commonly used on motorcycle handlebars, ATV/UTV rails, bicycles, carts, and equipment tubing
- Compatible with RAM® B Size socket arms and related 1" ball components
- Ball-and-socket design allows wide adjustability when paired with compatible RAM® arms and holders
- Includes two U-bolts, spacer, nylock nuts, and rubber caps
- Made with marine-grade aluminum and zinc-coated metal hardware for durability
- Manufacturer-rated weight capacity: 2 lbs standard use, 1 lb heavy-duty use
- Backed by RAM Mounts’ manufacturer’s lifetime warranty
Use Cases & Compatibility
The RAM-B-231ZU is commonly used as a mounting base on motorcycle handlebars, bicycle handlebars, ATV and UTV rails, boat rails, carts, machinery, and other round tubing. It is a good choice when you need a clamp-style mounting point without drilling into the mounting surface.
This base is compatible with RAM® B Size 1" ball components, including B Size socket arms, device holders, cradles, adapter plates, and other RAM® mounting accessories. A socket arm and device holder are required to complete a full mounting system.
Specifications
Ball Size: B Size 1" Ball
Material: Marine-grade aluminum with zinc-coated metal U-bolt base
Color: Black
Weight Capacity: Standard Use: 2 lbs; Heavy-Duty Use: 1 lb
Included Hardware: 1/4"-20 U-bolt for 0.5"–1" rails; 1/4"-20 U-bolt for 1"–1.25" rails; two 1/4"-20 nylock nuts; two rubber caps; one U-bolt spacer
Product Weight: 0.27 lb
Additional Details: Clamp range: 0.5"–1.25" diameter rails
What’s Included
- RAM® U-bolt base with B Size 1" ball
- 1/4"-20 U-bolt for 0.5"–1" rails
- 1/4"-20 U-bolt for 1"–1.25" rails
- Two 1/4"-20 nylock nuts
- Two rubber caps
- U-bolt spacer
Brand & Warranty
Brand: RAM Mounts
Manufacturer Part Number: RAM-B-231ZU
Warranty: Manufacturer's lifetime warranty
Gadget Mounts is an Authorized RAM Mounts Dealer.