RAM MOUNTS Motorcycle Fork Stem Mount for 12–38mm Fork Tubes — B-size 1" Ball, Marine‑Grade Aluminum

RAM MOUNTS Motorcycle Fork Stem Mount secures a B-size 1" RAM rubber ball inside fork stems from 12mm to 38mm, creating a strong, adjustable anchor point for RAM arms and accessories.

Whether you want a GPS, phone holder, action camera, or other accessory mounted on the front of your bike, this fork stem mount installs inside the cylindrical bore of your fork stem and uses the included B-size 1" RAM rubber ball to connect to any B-size double-socket arm. Built from powder-coated, marine-grade aluminum, the mount resists corrosion and road wear while the ball-and-socket system gives wide-ranging positioning options without bulky external clamps.

How does this fork stem mount attach to my motorcycle?

The RAM fork stem mount fits into the hollow bore of compatible fork stems and secures in place to provide an internal anchor point. Installation is designed to be straightforward for mechanically inclined riders and eliminates the need for external clamps that can interfere with steering or styling.

• Fits fork bores 12mm–38mm in diameter for wide compatibility
• Inserts into the cylindrical bore wall of the fork stem for a clean look
• Uses the included B-size 1" RAM rubber ball for attachment
• Works with any B-size RAM double-socket arm for modular setups

What adjustability and range of motion can I expect from the ball-and-socket?

The supplied B-size 1" rubber ball connects to RAM double-socket arms to allow nearly infinite tilt and swivel adjustments, so you can position devices for glare-free viewing and easy reach. Adjustments are tool-assisted for secure locking once you’ve found the ideal angle.

• Ball-and-socket design enables a wide range of yaw, pitch, and roll
• Tighten the double-socket arm to lock position against vibration
• Swap in other B-size RAM accessories for different orientations
• Fine-tune placement without modifying the fork structure

Is this mount durable enough for road and off-road riding?

Yes — the mount is manufactured from powder-coated, marine-grade aluminum to withstand road salt, moisture, and rough conditions. The materials and construction are chosen to deliver long-term service life and resist corrosion in demanding environments.

• Marine-grade aluminum resists corrosion from exposure and salt
• Powder-coating adds surface durability against chips and scratches
• Rubber ball dampens vibration for steadier device mounting
• Backed by a lifetime warranty for long-term peace of mind

Who is this for: Riders who want a clean, internal fork-stem mounting solution for electronics and accessories — ideal for motorcyclists who prefer minimal external hardware and crave precise, lockable adjustability. It suits sport, touring, and adventure riders with fork bores between 12mm and 38mm who plan to use RAM B-size arms or accessories and want a corrosion-resistant, durable anchor point that keeps the front of the bike tidy and functional.