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RAM Mounts U-Bolt Base
  • RAM Mounts U-Bolt Base - Black Aluminum
  • RAM Mounts U-Bolt Base - Chrome Aluminum
  • RAM Mounts U-Bolt Base - Stainless Steel
  • RAM Mounts U-Bolt Base - Black

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RAM Mounts Rail U-Bolt Base With 1" Ball Mount

The RAM Mount U-Bolt handlebar base contains a 1" rubber ball designed to sit at right angles to the mounting rail. Included are black cover caps to be placed over the exposed ends of the u-bolt. Both the black aluminum and stainless steel options come with a composite adapter that can narrow the rail to a minimum width of 0.5".

U-Bolt Dimensions:

  • Black version accommodates rails from 0.5" to 1.25" in diameter
  • Chrome version accommodates rails from 0.5" to 1" in diameter
  • Stainless Steel version accommodates rails from 0.5" to 1" in diameter


  • Powder Coated Marine Grade Aluminum or Powder Coated Marine Grade Aluminum with Chrome Finish
  • Stainless Steel with natural finish

Ball Size:

  • 1" Rubber Ball "B" Size
Product Style RevZilla Item # Manufacturer Product # Availability
Chrome Aluminum 869125 RAM-B-231CHU In Stock: Ships within 24 hours
Black Aluminum 869154 RAM-B-231ZU In Stock: Ships within 24 hours
Stainless Steel 1096107 RAM-B-231U In Stock: Ships within 24 hours


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We show real-time availability on this product page when you select the size/color item you want.  Most items will ship the same business day an order is placed,however if an item requires additional processing time a message will be shown indicating such.

See our full Shipping Policy for further details.


If your order arrives and it is not right, we will we'll fix it, NO NONSENSE, we promise.

Doesn't fit or just not happy with it? You can return any new, unused and unaltered item within 30 business days of delivery receipt of your item. We will issue a full refund to your original payment method.

See our full Return Policy for all of the pertinent details.

Write a Product Review for a chance to win our monthly $100 giveaways.
RAM Mounts U-Bolt Base 4.8 5 30 30
Solid mount. I had to be a little creative to mount this on my 2014 ZX10r. Since there was no space to fit the mount on the bars, I ended up mounting the base through one of the openings on the triple tree area. Holds like a boss! July 26, 2016
Item works as you would expect. This item mounts to handle bars easily and when properly tightened provides a stable platform for all RAM mount items. July 26, 2016
RAM is a little pricey, but the BEST Everything as expected, RevZilla awesome as always. Ed. June 8, 2016
Works Amazing Rock Solid on my DRZ, wheelies, drops and all. Used it with the short arm and the standard ram phone mount May 31, 2016
BEST on the market! If you would like to have your mobile device handy (for when you make a stop, of course!) but would prefer not to keep it in a pocket, the RAM mounts are the absolute best. I bought one for my bike after experiencing how amazing it is when I purchased the unit for my car. Interchangeable pieces, and built very, very tough! May 31, 2016
Good Product Solid u bolt mount for 7/8 bars. Adapter for larger bar included. Great product! May 25, 2016
Steady device holder Very steady and solid device holder. Easy to install and works great! May 11, 2016
Great adapter Works exactly as described. I used this to mount my RAM mount to the handlebars of my bicycle/motorcycle. May 3, 2016
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