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Description
RAM X-Grip Universal SmartPhone Cradle - Tough-Claw Handlebar Base + Med ArmRAM B 400 HOL UN7BU RAM X Grip Phone Mount with Tough Claw Small Clamp Base, Medium Arm The RAM B 400 HOL UN7BU pairs the RAM X Grip universal phone cradle with a small RAM Tough Claw clamp base and a medium double socket arm, giving you a tool less mount for round, square, or odd shaped rails and bars from 16mm to 28mm in diameter. Key Features Small RAM Tough Claw base clamps tool lessly to rails and bars 16 28mm in outer diameter; rubber pads
RAM-B-400-HOL-UN7BU – RAM® X-Grip® Phone Mount with Tough-Claw™ Small Clamp Base, Medium Arm
The RAM-B-400-HOL-UN7BU pairs the RAM® X-Grip® universal phone cradle with a small RAM® Tough-Claw™ clamp base and a medium double socket arm, giving you a tool-less mount for round, square, or odd-shaped rails and bars from 16mm to 28mm in diameter.
Key Features
- Small RAM® Tough-Claw™ base clamps tool-lessly to rails and bars 16-28mm in outer diameter; rubber pads protect the mounting surface
- Spring-loaded 'X' design X-Grip® cradle grips large phones firmly without hiding the screen, camera, or buttons; includes an optional device tether for extra security during rugged use
- Constructed from high-strength composite and stainless steel hardware for durability in demanding environments
- Backed by a lifetime warranty
Common Uses
Designed for tool-less mounting on aircraft yokes, bicycle and motorcycle handlebars and seat posts, kayak rails, roll bars, and similar tubing. Also a popular choice for wheelchairs and other mobility devices, since it installs or relocates quickly without tools.
Dimensions & Specifications
- Cradle minimum device width: 47.6mm (1.875") — requires minimum height 108mm (4.25")
- Cradle maximum device width: 82.6mm (3.25") — requires minimum height 57.2mm (2.25")
- Cradle max thickness: 22.2mm (0.875")
- Clamping range, rail/tube surfaces: 16mm to 28mm (0.625" to 1.14")
- Clamping range, flat surfaces: 0mm to 28mm (0" to 1.14")
- Arm overall length: 94mm (3.69")
- Arm socket-to-socket length: 76mm (3")
- Weight: 367g (0.81 lb)
- Weight capacity: 907g (2 lbs) standard use; 454g (1 lb) heavy-duty use
Compatible Devices
This kit uses the same RAM-HOL-UN7BU X-Grip® cradle — see the full compatible device list (100+ models across 13 brands) on the RAM-HOL-UN7BU listing.
What's Included
- RAM-B-201U double socket arm
- RAP-B-400U small Tough-Claw™ base
- RAM-HOL-UN7BU X-Grip® cradle
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Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.6 ★★★★★
Based on 28 reviews
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Product Reviews
★★★★★ 5
Incredibly durable
Size: For Medium Dog, Color: Grassgreen, Size: For Medium Dog, Color: Grassgreen
I bought this for my malinois mix when i got her last august. She's 10 months old and plays with this toy every day. This is such a durable toy! I strongly suggest this for everyone
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Reviewed in the United States on May 3, 2026
★★★★★ 4
He loves it! It will probably be destroyed soon though...
Size: For Medium Dog, Color: Green, Size: For Medium Dog, Color: Green
Update! This toy has definitely withstood my boy's daily chewing! It's lost some pieces for sure, but overall it's holding up and I'm very happy about it. The only downside is the squeaker is rather difficult to get to make noise. Will still definitely invest in another when this one finally goes.
Original review: I bought this for my handsome pitbull/boxer mix -- the boy loves to chew toys up! He's an aggressive chewer and he was bored with the current toys we had.
This toy is advertised for chewers, and I imagine if my boy wasn't such a great chewer, it would be amazing! We've had it three days now and he's already gotten a few big chunks off of it. It is definitely entertaining him though! He loves it and he seems like he's chewed himself into a daze. There is a squeaker in the bottom that seems difficult for him to get to so it doesn't squeak often -- when it does though he freaks and it's hilarious.
Overall I'm very happy with this purchase. My boy is a very aggressive chewer and I know pretty much anything we get him will be destroyed soon after he gets it. With how much he is enjoying this toy, I will be buying it again for him.
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Reviewed in the United States on November 18, 2023
★★★★★ 5
Outstanding Chew Toy
Size: For Large Dog, Color: Green
My dog is beyond an aggressive chewer. Toys are in pieces in minutes no matter what the manufacturer says. The squeaker? Forget it gone immediately. She has had this toy for two days and not only is it intact but she hasn’t been able to remove the squeaker!! Great product!!!
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Reviewed in the United States on March 27, 2026
★★★★★ 3
Be careful. Prices come off
Size: For Medium Dog, Color: Grassgreen
My dog loves it but it does come apart. He’s not a dog that destroys things but he bit prices off of it.
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Reviewed in the United States on February 13, 2026
★★★★★ 5
Heavy duty
Size: For Medium Dog, Color: Green, Size: For Medium Dog, Color: Green
I just unboxed this so I will update if my opinion changes. I bought the medium dog toy, it’s a a great size, perfect for my 110 pound lab and my 60 pound pit terrier mix. It’s heavy duty so I don’t see this being torn apart anytime soon, it has a slight mint scent (mostly rubber). As of right now, I can confidently say that I see myself buying more from this brand. Hopefully it helps with their stinky breath, if not then at least it’s a fun toy for the pups.
Update: after over a month of play I can say it’s still going pretty strong. My dog did manage to damage it a bit but if you have dogs who are rough on their toys, this is a good option. I was also surprised to find out that there is a squeaker in the base of it, the pups have to bite really hard in order to hear it, heavy duty toy.
I will say one of the only downsides is that it doesn’t seem too appealing to my pups. If there are other toys around they’ll go for the other toys but occasionally will pick this. I still recommend it. Has been lasting us awhile (I have 3 pups).
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Reviewed in the United States on April 17, 2025