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RAM MOUNTS

RAM MOUNTS X-Grip Windshield Phone Mount with Twist-Lock Suction Cup Base | Universal holder for cars and trucks, B Size medium arm, fits most smartphones, windshield or dash mounting

Based on 1,922 reviews
Condition: New
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$70.48
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Availability: In Stock.
Fulfilled by Amazon
Arrives Tuesday, Nov 17
Order within 9 hours and 56 minutes

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At a glance

Condition
New
Model
RAP-B-166-UN7U
Dimensions
4 x 3 x 6 in
Weight
10.4 oz
Color
Black
Mounting Type
Windshield
Water Resistance Level
Not Water Resistant
Warranty
See RAM Mounts manufacturer warranty for details
Works with
Smartphones

Features 4

  • Spring-loaded 'X' design with rubber caps sports great holding power without hiding your phone; includes optional device tether for peace of mind during rugged use
  • Includes RAM Twist-Lock suction cup base ideal for vehicle windshields and medium length, B size RAM double socket arm; ball and socket technology allows for near-infinite adjustability
  • Made of stainless steel components and high-strength composite for durability and reliability in the most demanding environments
  • Backed by a lifetime warranty

Description

Ideal for vehicle windshields, the RAP-B-166-UN7U consists of a 3.3" diameter RAM Twist-Lock suction cup base, medium length double socket arm, and the popular spring-loaded RAM X-Grip phone holder. The RAM X-Grip features an 'X' design that expands and contracts to provide a perfect fit for your device – even if it's in a case. Made of high-strength composite and stainless steel, this version of the RAM X-Grip fits phones ranging from 1.87" to 3.25" in width and keeps your device completely functional and accessible. RAM ball and socket technology allows for near-infinite adjustability to achieve the ideal viewing angle – while also extending the life of your phone by providing shock and vibration damping. For outdoor applications, the RAM X-Grip includes a device tether that is recommended for added security and peace of mind. Using glass cleaner and a microfiber cloth, thoroughly clean the desired area you wish to install the mount. Push the suction cup base onto the surface and push against the glass while holding the twist lock to the OFF position. It is crucial you hold the base firmly and flush against the glass to ensure proper suction. While continuing to hold the suction base flush against the glass, use your thumb and index finger to twist the lock to the ON position. Tug on the base a little to make sure it is suctioned to the surface and not loose Attach any B size socket arm to the base and your desired device holder to complete your mount installation.

Specs 19

Brand RAM MOUNTS
Color Black
Mounting Type Windshield
Additional Features Hardware Included Assembly Hardware, (1) Optional Tether, (1) Glue Tube for Rubber Caps, Note Exposure to vibrations, like those generated by high-powered motorcycle engines, might impact iPhone cameras.
Weight Capacity Maximum 2 pounds
Water Resistance Level Not Water Resistant
Compatible with Vehicle Type Automobile
Item Dimensions 4 x 3 x 6 inches

Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Tuesday, Nov 17

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

  • Klarna Financing
  • Affirm Pay in 4
  • Affirm Financing
  • Afterpay Financing
  • Zip Pay in 4
  • Financing through Apple Pay
  • Financing through Google Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

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Top Amazon Reviews

Sturdy.
This is the best option. I’ve had it for months and it’s only come off the window one time. Works well. Sturdy.
Reviewed in the United States on September 4, 2025 by Lindsay Furber
Excellent Windshield Mount for your mobile phone
This is a very well designed windshield mount for your cell phone! You have a choice for your phone to be placed in the horizontal position or the vertical position. The Suction Cup and the Stability of this unit work great and stays in place exactly where you mount it after you tighten the knobs to secure it in place. I bought one about a year or two ago and got tired of switching it from one vehicle to my other vehicle so I just purchased my second one recently. Now, I have one in each vehicle! Well worth the cost! I highly recommend it. ... show more
Reviewed in the United States on June 16, 2025 by Ronnie
Trail riders
Mounted 2 in my UTV one for me and one for my wife’s cellphones. Very sturdy well made. Our phones never fall out of them no matter how rough the ride is. Awesome purchase.
Reviewed in the United States on October 20, 2025 by Roger Melson
The only one for the job
Review Image by Peter Hewson
I tried other mounts for my work vehicle. I drive over rough roads and while I love the convenience of MagSafe mounts, they aren’t capable of holding a phone securely on a potholed and washboard road. This is the only one I felt comfortable with trusting. It’s secure, only occasionally loses its suction on the windshield and can be modified to meet my needs, e.g. I bought a longer arm to put it closer to my reach. My only gripe is for the price, it should be possible to mount and unmount with one hand. It’s awkward to use two hands and basically I have to fully reenter the cab and sit down to unmount my phone if I forget it. Not a deal breaker but a minor inconvenience. That’s all I have to say. No regrets but it could have a bit more convenience engineered into it for the price. Side note not related to the actual product: I did end up attaching a MagSafe puck to the mount so it will automatically charge my phone when it’s mounted. It also has the benefit of perfectly aligning the phone in the mount. ... show more
Reviewed in the United States on October 8, 2024 by Peter Hewson
Great holder
Strong suction cup and great grip on small devices. Versatile mount. Ram also has several options for bases and device holders. I like that i can customize it later as needs change.
Reviewed in the United States on July 20, 2025 by kaneda
Super-Functional X-Grip Tentacles w/ Soft Tips; Tight Hold by Suction-Cup Base onto Mounting Surface
Review Image by Edward Arun D'Costa
Needles to say, RAM makes some excellent device grippers! And this particular product of theirs follows in that very stellar lineage :-). Of noteworthy mention is that this (and for that matter any) mount's suction-cup base is able to better engage with that 'vice-like hold' onto the mounting surface ― the more 'ultra-smooth' said surface is. Simultaneously, such an ideal surface will possess enough mass/weight of its own to afford that 'stable plane' any mounting requires. And so, naturally/typically, such an optimum mounting surface is offered by a material like glass. That explains why this phone/portable-device mount works beautifully on the glass windshields of vehicles. On the other hand, we were finding it difficult to zero-in on this kind of a surface in a more home/indoors setting - which could, as well, be 'on-the-go' enough to allow for flexibility wrt where all, around the house, our phones could be perched up for use. Lo-and-behold, this ultra-smooth yet portable of a surface need was satisfied by a particular product that I found on https://amazon.com itself. Sharing that product page for the knowledge of others here: https://www.amazon.com/dp/B073NZZ378/ref=nav_timeline_asin?_encoding=UTF8&psc=1 . As one can see our use of this product-item with the RAM X-Grip Phone Mount is really an improvisation! And the improvised item's product name, Scott Barnes Cosmetics Glass Makeup Palette, is self-descriptive in conveying the original intent-of-use. Lastly, I am adding a photograph portraying such use of the 2 products together in our household. ... show more
Reviewed in the United States on October 6, 2020 by Edward Arun D'Costa
Durable
Very sturdy phone holder, Hands down the best i have come across. As far as a higher end products it is a must try. My friends all have one!
Reviewed in the United States on August 11, 2025 by Brad vrieling
Phone clamp
Grips like advertised fits the phone properly no falling out while driving
Reviewed in the United States on April 5, 2026 by Sandra Jonck
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