RAM-B-231U RAM Motorcycle or Rail Mount with Stainless Steel U-Bolt

The RAM-B-231U is a marine grade aluminum handlebar or rail mount base with STAINLESS STEEL u-bolt for a .75 to 1 inch rail diameter.

RAM-B-231U shown above.

NOTE: Click here to see the RAM-B-149U complete assembly.

RAM-B-231ZU Manufacturer Included Features:
NOTE: Manufacturer features can change without notice. Please visit the manufacturer's website for the latest product information.

Warranty: Manufacturer's, RAM Mounts (National Products Inc.), Limited Life Time Warranty.
Dimensions: Click here or on Technical Specs above to view dimensions. Click on individual links to view more information.
Included Base: RAM-B-231U black powder coated marine grade aluminum motorcycle handlebar or universal rail base with 1 inch diameter rubber ball. Click here to see the CHROME RAM-B-231CHU.

Fits rail diameter from .75 to 1 inch.
Includes 1 inch stainless steel u-bolt that fits rail diameter from .75 to 1 inch.
Includes two nuts and u-bolt plastic caps.

Optional Stainless Steel U-bolts:
- RAM-SU2512U 1.25 inch stainless steel u-bolt, is available.
- RAP-319 composite reducer that allows a rail diameter down to .5 inch when used with the 1 inch stainless steel u-bolt.
Arm Not Included: Click here to see arm options.
Adapter Not Included: Click here to see adapter options.
Cradle/ Holders/ Aqua Box Not Included: Click here to see cradles for Apple, cell phones, GPS systems and electronic devices including waterproof aqua boxes with soft touch flex lens!
OPTIONAL ACCESSORIES: Click here to see all popular options or on the Product Options tab above including self leveling cup holders, waterproof aqua boxes with soft touch flex lens, screen magnifiers, locking knobs, video camera adapters and more!

Click here to see popular options compatible with the RAM-B-231U series.

Below are optional parts and popular accessories for the RAM-B-231U. Click on the links below for more detailed information.

1 Inch Socket Arms: Add an arm to the RAM-B-231U.
- RAM-B-201U-A short sized length arm.
- RAM-B-201U standard sized length arm.
- RAM-B-201U-C long length sized arm.
- Click here to see all B sized 1" socket arms including chrome.
- NOTE: RAM-B-201U is the most popular for motorcycle applications followed by the RAM-B-201U-A.

1 Inch Adapter Plates: Needed to connect to a RAM cradles/holders.
- RAM-B-238U used to connect to RAM cradles/holders (RAM-HOL-xxxx).
- RAM-B-202U used to connect to RAM waterproof aqua boxes.
- NOTE: The RAM-B-238U and RAM-B-202U are AMPS hole compatible.

Cradle / Holders: Select a holder for Apple, cell phones, GPS systems and other electronic devices by clicking here. All are compatible with the optional RAM-B-238U diamond plate. The diamond plate is needed to connect to the cradle/holder.

1 Inch Ball and Video Camera Adapters:
- 1 inch ball adapters attach to the RAM-B-201 series arm.
- RAM-B-237U 1 inch diameter ball with 1/4"-20 male aluminum stud.
- RAM-B-202AU 2.5 inch round plate with 1/4"-20 aluminum stud.
- Click here to see all 1 inch ball adapters.

Waterproof Aqua Boxes: Waterproof Aqua Boxes with soft touch flex lens allows the touch screen of electronic devices such as iPhone or GPS devices to remain operational.
- Knock-out hole allows cables to be run through the back of the aqua box.
- The electronic device sits in the aqua box using included foam inserts. The RAM-HOL-xxxx cradle is not needed to secure the electronic device in the aqua box. Padlock not included.
- Can be mounted in the vertical or horizontal position.
- Attaches directly to the optional RAM-B-202U.

Self Leveling Cup Holder: All Motorcycle Cup Holders Assemblies
Includes foam insert and 1 inch rubber ball.
RAM-B-132RU can be purchased as a complete kit.
RAM-B-132BU cup holder only. Attaches directly to the optional RAM-B-201U arm.

Keyed Twist Lock Knob: RAM-KNOB-3LU replaces the plastic twist knob on the optional RAM-B-201 series arm. Provides extra security for directly mounted applications such as aqua boxes.
Screen Magnifier: The RAM-MAG-1U is a screen magnifier that is 2 inches by 4 inches with a 2x zoom. Connects between the optional cradle and optional RAM-B-238U.

Portability: The RAP-326 quick release adapter allows the cradle to be easily removed and moved to another mounting device without tools.
- Perfect for sharing electronic device between applications (i.e. motorcycle Garmin GPS device moved to automobile suction cup mount).
- Includes RAP-326FU female and RAP-326MU male adapters.
- Quick release allows the electronic device to stay attached in the cradle while quickly being disconnected from the RAM-B-238U. Cradle can then be re-attached to another mounting application that also has the RAM-B-238U.
- Requires the RAP-326MU male adapter for the second application being attached too. The RAP-326FU mates to the RAP-326MU and the RAP-326MU mates to the optional RAM-B-238U.

RAM-B-231 Alternative Options: RAM-B-235U shown below has two stainless steel u-bolts that will accommodate a rail diameter from .75 inch to a 1 inch rail diameter. The RAM-B-235U is commonly used as a rail mount for marine and other applications. The RAM-B-231U series is commonly used for motorcycle applications.

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