RAM® Handlebar U-Bolt Double Ball Mount with AMPS Hole Pattern

Name: RAM® Handlebar U-Bolt Double Ball Mount with AMPS Hole Pattern
Brand: RAM Mounts
SKU: RAM-B-149Z-347U
Price: 31.01 USD
Availability: InStock
Rating: 5.0 (5 reviews)

RAM® Handlebar U-Bolt Double Ball Mount with AMPS Hole Pattern - Main image

RAM® Handlebar U-Bolt Double Ball Mount with AMPS Hole Pattern - View 2

$31.01 ~~$46.99~~ In stock

Category: Universal Mounts

The RAM-B-149Z-347U consists of a zinc coated u-bolt base, double socket arm and square adapter base that contains the universal AMPS hole pattern. Included in this package is hardware that will accommodate rails from 0.50" to 1.25" in diameter. The base includes black cover caps to be placed over the exposed ends of the u-bolt. The included composite rail adapter can narrow the rail to a minimum width of 0.5". The square adapter base contains four pre-drilled holes at each corner, making the universal 1.5 x 1.188 (hole spacing) AMPS hole pattern. he mount is designed with a RAM 1" diameter patented rubber ball and socket system that has adjustment points at both ends of the double socket arm; this allowing for almost infinite adjustment and perfect viewing angles.

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Customer Reviews (5.0 / 5 · 5 reviews)

Michael ★★★★★ Oct 23, 2026

The double socket arm lets me position my phone exactly where I need it, and the AMPS plate means I can swap devices without extra adapters. Bolted it to my motorcycle's handlebar in under ten minutes with the included hardware.

David ★★★★★ Oct 22, 2026

The zinc-coated u-bolt base feels rock solid on my handlebar, and the double socket arm lets me angle my phone exactly where I need it without loosening. Took about five minutes to install with the included hardware, and it hasn't budged on bumpy roads since.

Julian ★★★★★ Oct 21, 2026

The double socket arm gives me just the right amount of adjustment without loosening up on rough roads, and the square adapter with the AMPS pattern lined up perfectly with my existing gear. Installation took me maybe fifteen minutes, and the u-bolt base hasn't budged since I torqued it down.