The RAM® B Size 1” Ball Motorcycle Mirror Mount with 11mm Bolt Head Adapter and AMPS Plate is a rugged, low-profile solution designed specifically for motorcycle riders who want a secure and vibration-resistant device mount. Commonly used on BMW motorcycles and compatible with many handlebar pinch bolts, this kit delivers a clean factory-style installation using an 11mm bolt head connection point.
This complete kit includes the 11mm bolt base, short double socket arm, and AMPS-compatible plate with 1” ball — making it ideal for mounting GPS units, phone holders, action cameras, and other AMPS-based device cradles.
If you're looking for a BMW mirror mount RAM ball or a motorcycle AMPS mount with 11mm bolt adapter, this system is built for the road.
Key Features
• Designed for motorcycle mirror frame or handlebar pinch bolt mounting
• Popular fit for BMW motorcycles and many metric bikes
• Includes short arm for compact, low-profile cockpit setup
• Universal 4-hole AMPS pattern supports many device holders
• RAM® ball-and-socket system absorbs vibration and shock
• Marine-grade aluminum construction for outdoor durability
• Made in the USA with RAM® Lifetime Warranty
Ideal For
• BMW motorcycle mirror mount installations
• Handlebar pinch bolt mounting applications
• Motorcycle GPS mounts
• Motorcycle phone holder mounts (with AMPS cradle)
• Compact sport bike and adventure bike setups
• Riders wanting a clean, factory-style bolt-on solution
What’s Included
• RAM® 11mm Bolt Head Base with 1" Ball
• RAM® Short B Size Double Socket Arm
• RAM® AMPS 2” x 1.7” Ball Plate
Specifications
Ball Size: B Size (1")
Socket-to-Socket Length: 1.75"
Overall Arm Length: 2.42"
Base Dimensions (Bolt Adapter): 2.25" x 0.875"
Base Thickness: 5mm
Hole Pattern (Plate): 4-Hole AMPS 1.181" x 1.496"
Weight Capacity:
- Standard Use: 2 lbs
- Heavy-Duty Use: 1 lb
Materials: Marine-grade aluminum, High strength composite
Product Weight: 0.28 lbs
Installation Notes
• Designed to attach using an 11mm bolt head connection point
• Commonly mounted at motorcycle mirror frame or handlebar pinch bolts
• May require washer depending on motorcycle application
Compatibility
The included AMPS plate supports many popular motorcycle device holders including GPS mounts and AMPS-compatible phone cradles.
Why Buy from Gadget Mounts
Gadget Mounts is an Authorized RAM Mounts Dealer. When you purchase from us, you receive genuine RAM® components backed by the manufacturer’s lifetime warranty — trusted by riders, fleets, and professionals nationwide.
Brand and Warranty
Brand: RAM Mounts
Part Number: RAP-B-252-A-347U
Warranty: Manufacturer's Lifetime Warranty
