Patented

RAM® Rotating X-Grip® Large Phone Mount with Flex Adhesive Base

Part#: RAP-B-378-UN10RU
UPC: 793442025730

Compatibility

Apple

iPhone 6s Plus iPhone 7 Plus iPhone 8 Plus iPhone Xs Max iPhone 11 Pro Max iPhone 12 Pro Max iPhone 13 Pro Max iPhone 14 Plus iPhone 14 Pro Max iPhone 15 iPhone 15 Plus iPhone 15 Pro Max iPhone 16 iPhone 16 Plus iPhone 16 Pro iPhone 16 Pro Max iPhone 16e iPhone 17 iPhone 17 Pro iPhone 17 Pro Max iPhone Air

Blackberry

Evolve X

Blackview

BV9900 BV9900 Pro

Cat

S42 S62 S62 Pro

Garmin

Drive 50 Drive 51 LM Drive 52 Drive 61 LM DriveSmart 51 LMT-S DriveSmart 61 LMT-S DriveTrack 71 Nuvi 2788LM RV 660LMT RV 770 LMT-S

Google

Pixel 2 XL Pixel 3 XL Pixel 3a XL Pixel 7 Pro Pixel 8 Pro Pixel 9 Pixel 9 Pro Pixel 9 Pro XL Pixel 9a

HTC

Bolt U Ultra

Huawei

Mate 20 X

Kyocera

DuraSport 5G

LG

Fiesta 2 LTE Fiesta LTE G8S ThinQ Harmony Stylo 2 V Stylo 3 Stylo 3 Plus Titan Stylo 4 V20 V50 ThinQ X charge X venture

Magellan

TR5 TR7

Motorola

moto e4 plus moto g4 moto z2 moto z2 play moto z3

Rand

McNally Road Explorer 5 McNally TND 540

Razer

Phone 2

Samsung

Galaxy A7 Galaxy A7 (2017) Galaxy A7 (2018) Galaxy A8 Galaxy A8 (2016) Galaxy A9 (2016) Galaxy A9 Pro (2016) Galaxy A9 (2018) Galaxy A15 Galaxy A70 Galaxy A80 Galaxy A90 5G Galaxy C7 Galaxy C7 Pro Galaxy C9 Pro Galaxy E7 Galaxy Grand Neo Plus Galaxy J7 Galaxy J7 Max Galaxy J7 V Galaxy Note 5 Galaxy Note 10 Plus Galaxy Note20 Ultra Galaxy On7 Galaxy S10 5G Galaxy S8 Galaxy S8 Active Galaxy S21 5G Galaxy S21+ 5G Galaxy S21 Ultra 5G Galaxy S22 Ultra 5G Galaxy S23+ Galaxy S23 Ultra Galaxy S24+ Galaxy S24 Ultra Galaxy S25+ Galaxy S25 Ultra Galaxy S26 Galaxy S26+ Galaxy S26 Ultra Galaxy XCover7

Nexa

Rhino C6

Sonim

RS60

Sony

Xperia C4 Xperia L2 Xperia XA Ultra Xperia XA1 Ultra Xperia XA2 Ultra Xperia XZ Premium

Kit Components

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$75.99

Overview

The RAM® Rotating X-Grip® Large Phone Mount with Flex Adhesive Base (RAP-B-378-UN10RU) consists of the flex adhesive base with 1" ball, double socket arm and universal X-Grip® rotating phone holder. Using a PSA stick pad, put the flex adhesive mount practically anywhere you want to keep your portable electronics easy to see and always within your reach. The base is designed with a very small foot print, making it easy to find a mounting location on your scooter, motorcycle, kayak, boat or vehicle dash. The mount features B size 1" patented rubber ball and socket system that has adjustment points at both ends of the double socket arm; this allows for almost infinite adjustment and perfect viewing angles. The included X-Grip® cradle has a clean and clever four leg design that sports great holding power without hiding your phone behind foam pads and plastic. The spring loaded X-Grip® cradle expands and contracts, allowing for a perfect custom fit of your cell phone and features rotating hardware that allows devices to pivot between landscape and portait orientation without needing to adjust the entire system. The X-Grip® includes a device tether recommended for outdoor applications. The cradle 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.

Features

  • Spring-loaded 'X' design for large phones with rubber caps sports great holding power without hiding your phone; includes optional device tether for peace of mind during rugged use
  • Easily rotate device without having to loosen the double socket arm
  • Flex adhesive ball base provides a strong mounting surface in a wide variety of use cases, such as a vehicle dash
  • Made of stainless steel components and high-strength composite for durability and reliability in the most demanding environments
  • Backed by a lifetime warranty

hardware included:

(1) Optional Tether
(1) Glue Tube for Rubber Caps
(1) 2.5" Double Sided Adhesive Disc
(1) Alcohol Prep Pad

holder dimensions:

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

socket to socket length:

3"

plate size:

2.5" Diameter

ball size:

B Size (1")

weight capacity:

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

materials:

High strength composite
Stainless steel

packaging type:

Poly Bag

Weight:

0.56 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.

QUESTIONS & ANSWERS

Have a Question?

Ask a Question
  • Can I buy just the rotating x holder? I have a box full of suction devices, balls and extensions.

    You will want the RAM-HOL-UN10BRU to connect to a B-size double socket arm.

RAM® Rotating X-Grip® Large Phone Mount with Flex Adhesive Base
$75.99

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

X-Grip® Caps
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