The RAM Mounts RAM-B-342U is a fork stem mounting base designed to attach RAM B-size ball mounts to motorcycle fork stems using a U-bolt clamping system. This mounting component features a 1-inch diameter ball compatible with all RAM B-size socket arms, allowing riders to securely mount GPS devices, smartphones, action cameras, or other accessories to their motorcycle’s fork stem area.
Technical Specifications
| Specification | Details |
|---|---|
| Brand | RAM Mounts |
| Model | RAM-B-342U |
| Ball Size | 1″ (B Size) |
| Mounting Type | Fork Stem U-Bolt Clamp |
| Material | Powder-Coated Marine-Grade Aluminum |
| Compatible Systems | All RAM B-Size Socket Arms and Mounts |
| Attachment Method | U-Bolt with Hex Lock Nuts |
| SKU | RAM-B-342U |
Key Features
1-Inch B-Size Ball Compatibility: The standard RAM B-size ball connects to any RAM B-size socket arm, giving you access to hundreds of RAM mounting solutions for phones, GPS units, cameras, and more.
U-Bolt Fork Stem Attachment: The U-bolt design clamps securely around motorcycle fork stems without drilling or permanent modification, allowing for clean installation and removal.
Marine-Grade Aluminum Construction: Powder-coated aluminum resists corrosion from rain, road salt, and humidity while maintaining structural integrity through vibration and impacts.
Modular RAM Ecosystem: As part of the RAM mounting system, this base can be reconfigured with different socket arms and device holders as your mounting needs change across different bikes or accessories.
Use Case Scenarios
- Mounting a smartphone or GPS device on the fork stem for easy viewing without blocking the handlebar controls or instrument cluster
- Installing an action camera at fork level to capture low-angle riding footage with full front wheel visibility
- Creating a dedicated mounting point for communication devices or auxiliary displays while keeping handlebars clear for grips and controls
Why Choose the RAM-B-342U Fork Stem Ball Base?
- Positions devices lower than handlebar mounts, reducing wind resistance and keeping your field of vision clear at high speeds
- U-bolt design distributes clamping force evenly without marring fork stem finish or requiring permanent hardware installation
- RAM’s lifetime warranty backs the marine-grade aluminum construction against manufacturing defects
- Compatible with the entire RAM B-size ecosystem means one base supports multiple device holders as your gear changes
Pros & Considerations
Pros:
- Non-permanent installation – remove completely without leaving marks or holes
- Lower mounting position reduces device exposure to wind buffeting compared to handlebar mounts
- Marine-grade construction withstands Indian monsoon conditions and coastal humidity without rust
Considerations:
- Requires adequate fork stem clearance – verify your motorcycle’s fork stem area is accessible and not obstructed by fairing or cowl
- Fork stem diameter must be suitable for U-bolt clamping – measure your fork stem before ordering to ensure proper fit
Frequently Asked Questions
Q: What fork stem sizes does the RAM-B-342U fit?
A: The U-bolt design accommodates fork stems with typical motorcycle dimensions. Measure your fork stem diameter and check that the U-bolt can wrap around it with sufficient threading remaining for secure tightening – most standard motorcycle fork stems are compatible.
Q: Can I mount my phone and GPS together using this base?
A: This base provides one 1-inch B-size ball. You can attach one device holder directly, or use a RAM double socket arm to create two mounting points from a single ball base if your fork stem area has space for multiple devices.
Q: Will this base fit if my motorcycle has fork stem covers or fairings?
A: You need clear access to the fork stem with enough room for the U-bolt to wrap around it and the base to sit without interference. Remove any decorative covers and check for fairing clearance before installation.
Q: How tight should I tighten the U-bolt to prevent movement?
A: Tighten the hex lock nuts firmly until the base cannot rotate on the fork stem when hand pressure is applied. RAM recommends periodic checks, especially after the first 50-100 km of riding, as vibration can cause initial settling.
Q: Is this base compatible with RAM X-Grip phone holders and other RAM accessories?
A: Yes, the 1-inch B-size ball is the standard RAM B-size and works with all RAM B-size socket arms, X-Grip holders, GDS systems, and other RAM B-compatible accessories – this is the most common RAM ball size.
Shop the RAM-B-342U Fork Stem Ball Base at Custom Elements with fast shipping across India. Complete your riding setup:
- Browse All RAM Mounts and Parts
- Shop GPS and Navigation Electronics
- Explore Action Cameras for Fork Mounting
The RAM fork stem ball base delivers a clean, vibration-resistant mounting solution that keeps essential devices accessible without cluttering your handlebars.




















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