RAM Mount Base + U-Bolt for 1/2″ to 1″ Diameter


Ideal for motorcycle handlebars, the RAM-B-231ZU consists of a 25.4 mm B size rubber ball attached to a zinc-coated metal U-bolt base. Designed to sit at right angles to the mounting rail, the U-bolt base accommodates rails from 12.7 mm to 25.4 mm in diameter. Included are black cover caps to be placed over the exposed ends of the U-bolt as well as a composite adapter that can narrow the rail to a minimum width of 12.7 mm.

In stock

Add to Wishlist
Add to Wishlist


  • Zinc-coated metal U-bolt base with 25.4 mm rubber ball is designed to sit at right angles to mounting rail; includes black cover caps for exposed ends of the U-bolt
  • Compatible with any B size RAM® Mounts component; ball and socket technology allows for near-infinite adjustability
  • Made of powder-coated, marine-grade aluminum for durability and reliability in the most demanding environments
  • Backed by a lifetime warranty

Hardware Included
(1 M6x 1 U-Bolt for 12.7 mm – 25.4mm Rails
(2 M6x 1 Nylock Nuts
(2) Rubber Caps
(1) U-Bolt Spacer

Clamp Range
12.7 mm- 25.4 mm diameter
Ball/Socket Size
B Size (25.4 mm)

Weight Capacity
907 grams

Marine-grade aluminum

Packaging Type
Poly Bag

95 Grams

You can browse our other Ram products here

You can use the Ram mount builder here


There are no reviews yet.

Be the first to review “RAM Mount Base + U-Bolt for 1/2″ to 1″ Diameter”