RAM® Double U-Bolt Rail Mount for Larger Rails

Part#: RAM-101U-235-1
UPC: 793442940606

Kit Components

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$76.49

Overview

The RAM-101U-235-1 consists of a 6 inch double socket arm, one round 2.5" diameter round base with the universal AMPS hole pattern and stainless steel double u-bolt base that will fit pipes from 1.25" to 1.5" in diameter. Designed into the mount is a 1.5" diameter patented rubber ball and socket system with adjustment points at both socket ends of the arm. Rubber ball and socket technology allows for almost infinite adjustment and perfect viewing angles.

Features

  • 2.5" round plate connects to RAM® device holders containing the universal AMPS hole pattern
  • Includes double U-bolt base that accommodates rails from 1.25" to 1.5" in diameter and a medium length, C size RAM® double socket arm; 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:

(2) 1/4"-20 U-Bolts for 1.25" - 1.5" Rails
(4) 1/4"-20 Nyloc Nuts
(4) Rubber Caps

clamp range:

1.25" - 1.5" diameter

socket to socket length:

4.66"

hole pattern:

4-Hole AMPS: 1.181" x 1.496"
3-Hole 120-Degree: 1.812" Diameter

ball size:

C Size (1.5")

weight capacity:

Standard Use: 4 lbs
Heavy-Duty Use: 3 lbs

materials:

Marine-grade aluminum

packaging type:

Poly Bag

Weight:

1.46 lb

Return Policy:

All products purchased from RAM® can be returned within 30 days with no restocking fee (return shipping not provided). See full return policy here.

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RAM® Double U-Bolt Rail Mount for Larger Rails
$76.49

Size Guide

Ball sizes
  • A Size 0.56" ball
  • B Size 1" ball
  • C Size — this product 1.5" ball
  • D Size 2.25" ball
  • E Size 3.38" ball

Every RAM® mount is built around a rubber ball and socket system. The ball size sets how much weight the mount can carry. Match it to your device for smooth adjustment with a rock-solid hold.

RAM Mounts ball size specifications and typical uses
Size Ball Diameter Max Load* Best For
A0.56" (14.3 mm)0.5 lbAction cameras and other ultra-light devices
B1" (25.4 mm)2 lbsPhones, GPS units, and small tablets — the most common size
C — this product1.5" (38.1 mm)4 lbsLarge tablets, fish finders, and rougher rides
D2.25" (57.2 mm)6 lbsRugged tablets, laptops, and heavy equipment
E3.38" (85.9 mm)15 lbsLarge displays and demanding aviation or industrial use

*Approximate capacity for a standard ball with a mid-length arm. Shorter arms and steel-reinforced posts increase real-world capacity.

Reading part numbers

The letter after RAM tells you the ball size: RAM-B-166 uses a 1" B ball, while RAM-D-201 uses a 2.25" D ball. C size parts are the exception and carry no letter, so RAM-201U is a C size arm.

Add-on & Accessories

Knob & Bolt Accessories
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