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The RAM-B-102-231ZU is a marine grade flat surface or handlebar rail mount base that includes one RAM-B-231ZU base (ZINC u-bolt), one standard sized length arm and TWO diamond adapter plates. This mount DOES NOT INCLUDE a cradle or holder.

NOTE: The RAM-B-102-231ZU is the same part as the RAM-B-149ZU with the exception that it includes two RAM-B-238U bases.

• Warranty: Manufacturer's, RAM Mounts (National Products Inc.), Limited Life Time Warranty.
• Dimensions: Click on Technical Specs above to view dimensions.
• Click on individual links to view more information.
• Included Base: RAM-B-231ZU (Quantity 1) black powder coated marine grade aluminum motorcycle handlebar or universal rail base with 1 inch diameter rubber ball.
  • Fits rail diameter from .5 to 1.25 inches.
  • Includes 1 inch zinc u-bolt that fits rail diameter from .75 to 1 inch.
  • Includes 1.25 inch zinc u-bolt that fits rail diameter up to 1.25 inches.
  • Includes two nuts, u-bolt plastic caps and the RAP-319 composite reducer that allows a rail diameter down to .5 inch when used with the 1 inch zinc u-bolt.
• Optional Stainless Steel U-bolts:
  • RAM-HAR-SU251 1.0 inch stainless steel u-bolt, is available. 
  • RAM-SU2512U 1.25 inch stainless steel u-bolt, is available. 
• Included Arm: RAM-B-201U (Quantity 1) black powder coated marine grade aluminum standard sized length arm for 1 inch balls.
  • Measures 2.875 inches between socket centers.
  • Measures 3.6875 inches in overall total length.
  • The arm allows for easy adjustment by loosening the plastic side knob, a single spring inside the arm opens the sockets, allowing the arm to pivot on the attached base accessory. This enables the arm and accessories to be positioned at various angles allowing the ultimate in position flexibility. Loosen the knob completely and the arm will disconnect from the accessories.
  • Optional Arms:
    • RAM-B-201U-A 1.75 inches from socket center to socket center is available. See the RAM-B-149ZAU for complete assembly.
    • RAM-B-201U-C 5.25 inches from socket center to socket center is available.
• Included Adapter: RAM-B-238U (Quantity 2) black powder coated marine grade aluminum universal diamond plate with attached 1 inch diameter rubber ball.
  • Two holes measuring 1.9 inches from center hole to center hole.
  • Compatible with AMPS hole pattern. The adapter will connect to RAM cradles (RAM-HOL-xxxx series) and third party cradles with the AMPS hole pattern.
• Cradle/ Holders/ Aqua Box: OPTIONAL. Holders for Apple, cell phones, GPS systems and electronic devices are available by clicking here.
• 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-149 series.

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• RAM-B-149Z series dimensions shown above.

• Chrome Upgrade: Upgrade to chrome plated RAM-B-149CHU assembly.
  • RAM-B-231CHU chrome base also available.
  • RAM-B-201CHU standard arm & RAM-B-201ACHU short arm available.
  • RAM-B-238CHU chrome diamond adapter plate also available.

• Cradle / Holders: Select a holder for Apple, cell phones, GPS systems and other electronic devices by clicking here. All are compatible with the RAM-B-149 series and attach to the RAM-B-238U diamond plate.

• 1 Inch Ball and Video Camera Adapters:
  • 1 inch ball adapters attach to the RAM-B-201 series arm.
  • RAM-B-237U 1 inch ball with 1/4"-20 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 included RAM-B-238U or optional RAM-B-202U. RAM recommends the RAM-B-202U.

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

    

• Keyed Twist Lock Knob: RAM-KNOB-3LU replaces the plastic twist knob on the 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 cradle and 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 RAM-B-238U.