• RAM® Vibe-Safe™ dampens a wide range of vibration frequencies
  • Made of high-strength composite and stainless steel hardware for durability and reliability in the most demanding environments
  • Unique structure and thoughtfully designed with all industries in mind
  • Backed by a lifetime warranty
RAM® X-Grip® Large Phone Mount with Vibe-Safe™ & U-Bolt Base - Short
Part#:RAM-B-149Z-A-UN10-462 UPC:793442017902 Patented & Pats. Pend.
The RAM® X-Grip® Large Phone Mount with RAM® Vibe-Safe™ & U-Bolt Base - Short (RAM-B-149Z-A-UN10-462) is a combination of the RAM® X-Grip® Phone Mount with Handlebar U-Bolt Base and the RAM® Vibe-Safe™—our vibration damping accessory is designed to protect electronic devices from a wide range of vibration frequencies. This product comes pre-assembled with the device tether that is recommended for outdoor applications. The RAM® X-Grip® can rotate between portrait and landscape by loosening the center screw. This product comes with one (1) short B size arm and one (1) RAM® U-Bolt Base that accommodates rails from .5" - 1.25" in diameter and an optional device tether that is recommended for outdoor applications. The holder is compatible with handheld devices that will fit the dimensions listed below, it is important to verify the dimensions of your handheld device with a case/sleeve/skin when determining the overall size.

hardware included

(1) Optional Tether
(1) Glue Tube for Rubber Caps
(1) 1/4"-20 U-Bolt for .5" - 1" Rails
(1) 1/4"-20 U-Bolt for 1" - 1.25" Rails
(2) 1/4"-20 Nylock Nuts
(2) Rubber Caps
(1) U-Bolt Spacer

holder dimensions

Width Range: 1.75" - 4.5"
Depth Range: .875" max

clamp range

.5" - 1.25" diameter

socket to socket length


ball size

B Size (1")

weight capacity

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


Marine-grade aluminum
High strength composite
Stainless steel

packaging type

Retail Bag


0.99 lb

Additional Information

A reduction in vibration does not guarantee full protection of device. External immeasurable factors may cause damage to phones, cameras, and other devices while mounted in the RAM® Vibe-Safe™. National Products, Inc does not assume responsibility or liability for any such personal injury, death or property damage. RAM® mounts lifetime warranty is limited to RAM® mounts and components. The warranty does not include any device mounted or attached to a RAM® mount, such as a phone, GPS, camera, computer or other device.