RAM-B-174-GA21U RAM Mount Motorcycle Mount for Garmin nuvi 300 310 350 360

The RAM-B-174-GA21U is a marine grade aluminum brake/clutch assembly (includes hardware) or motorcycle handlebar base (zinc u-bolts fits .5 to 1.25 inch rail diameter), standard sized length arm, diamond adapter plate and cradle for the device(s) specified below:

Garmin nuvi 300

Garmin nuvi 310

Garmin nuvi 350

Garmin nuvi 360

Garmin nuvi 370

NOTE: As the manufacturer adds new units/models to the above series this cradle may fit additional models not listed above. Click here for the most current model information on the RAM-HOL-GA21U. Please call 224-578-9162 or complete the product inquiry form by clicking here.

RAM-B-174-GA21U shown above.

RAM-B-174-GA21U Manufacturer Included Features:
NOTE: Manufacturer features and specifications 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-309-7U black powder coated marine grade aluminum brake/clutch assembly or motorcycle handlebar base with 1 inch diameter rubber ball. Fits either left or right side of the brake/clutch assembly or handlebar rail.
- Brake/Clutch Hardware Description:
  - Two hole centers in the base have a minimum width of 0.94 inches and maximum of 1.58 inches.
  - Includes Two 6mm X 55mm Machine Screws.
  - Includes Two 1/4''-20 X 2 Inch Long Machine Screws.
  - Includes Two 1/4'' Lock Washers and Two Rubber Caps.
- Handlebar or Rail Mount Hardware Description:
  - Includes RAM-HAR-SU251Z Zinc U-Bolt Hardware Pack for .5 to 1.25 inch rail diameter.
  - Includes One 1 Inch Zinc U-bolt.
  - Includes One 1.25 Inch Zinc U-bolt.
  - 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 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.
  - RAM-B-201U-C 5.25 inches from socket center to socket center is available.
Included Adapter: RAM-B-238U 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.
Included Cradle: RAM-HOL-GA21U high strength plastic holder for the devices specified above attaches to the RAM-B-238U adapter. Place the top of the device into the cradle, and then push the base into the expandable arms at the bottom of the holder. The arms will then snap into place when the device is completely secured in the cradle. The cradle allows all cables (NOT INCLUDED) to stay connected and controls to be operated while the device is in the cradle.
Additional Cradle/ Holders/ Aqua Box: Click here to see additional cradles that can be purchased for the RAM-B-174 series including: Apple, cell, GPS and 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-174 series.

Below are popular accessories compatible with the RAM-B-174 series. Click on the links below for more detailed information.

Chrome Upgrade: Upgrade to chrome plated RAM-B-174C HU assembly.
- RAM-B-309-1CHU single & RAM-B-309-2CHU double ball base available.
- RAM-B-201CHU standard arm & RAM-B-201ACHU short arm available.
- RAM-B-238CHU diamond & RAM-B-202CHU 2.5 inch dia. round plate 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-174 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 2.5 inch dia. round plate. RAM recommends the RAM-B-202U.

Self Leveling Cup Holder: All Motorcycle Cup Holders
Includes foam insert and 1 inch rubber ball.
RAM-B-132-309U 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.

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