RAM® Motorcycle Fork Stem Wedge Ball Base - 12-32mm Holes

Part#: RAM-B-342WU
UPC: 793442033414
$49.99

Overview

The RAM® Motorcycle Fork Stem Wedge Ball Base - 12-32mm Holes (RAM-B-342W-3U) is a low-profile mounting base designed to attach directly to the cylindrical bore wall of motorcycle fork stems that measure 12mm to 32mm in diameter, keeping your device front and center. Featuring a B size 1" rubber ball, this base provides a secure mounting point for a wide range of RAM® double socket arms and device holders, enabling near-infinite adjustability for optimal viewing angles. The rubber ball design dampens vibration and shock, helping to protect your device while riding on rough terrain and at high speeds. The three included wellnut bases allow for use in a variety of different motorcycle fork stems. Built from marine-grade aluminum with a powder-coated finish, this base is engineered for durability and corrosion resistance in outdoor environments. Backed by a lifetime warranty, this base ensures reliable performance wherever the road takes you.

Features

  • Designed to fit into the cylindrical bore wall of fork stems 12-32mm in diameter; includes three different sized wellnut bases for further customization
  • Included B size 1" RAM® rubber ball allows for connection to any B 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:

(1) Small Wedge Assembly
(1) Medium Wedge Assembly
(1) Large Wedge Assembly
(1) #10-24 x 2" Screw
(1) #10-24 Wedge Nut

wedge dimensions:

12-32mm

ball size:

B Size (1")

weight capacity:

Standard Use: 2 lbs
Heavy-Duty Use: 1 lb

materials:

Marine-grade aluminum

packaging type:

Poly Bag

Weight:

0.5 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® Motorcycle Fork Stem Wedge Ball Base - 12-32mm Holes
$49.99

Size Guide

Ball sizes
  • A Size 0.56" ball
  • B Size — this product 1" ball
  • C Size 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
B — this product1" (25.4 mm)2 lbsPhones, GPS units, and small tablets — the most common size
C1.5" (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

B Size Double Socket Arms
See All
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