Description
The RAM Torque Medium Rail Base with B Size 1" Ball is a rugged handlebar and rail mounting base designed for round rails from 3/4" to 1" in diameter. It provides a secure RAM B Size ball connection point for building a custom phone, GPS, camera, tablet, or accessory mounting setup.
Included sizing inserts help create a tight fit while protecting the mounting surface, and nylon-insert lock nuts help prevent loosening in high-vibration environments such as motorcycles, ATVs, UTVs, boats, carts, and equipment rails.
Key Features
- Handlebar and rail mounting base with RAM B Size 1" rubber ball
- Fits round rails from 3/4" to 1" in diameter
- Includes composite sizing inserts and rubber strip to help protect the mounting surface
- Nylon-insert lock nuts help prevent loosening in high-vibration applications
- Marine-grade aluminum construction for durability in demanding environments
- Manufacturer-rated weight capacity: 2 lbs standard use, 1 lb heavy-duty use
Use Cases & Compatibility
This RAM Torque rail base is commonly used on motorcycle handlebars, ATV and UTV bars, boat rails, carts, roll bars, equipment rails, and other round tubing within the supported clamp range.
The integrated B Size 1" ball is compatible with RAM B Size socket arms, device holders, adapter plates, and other 1" ball mounting components. This part is a base component only and requires a compatible socket arm and device holder or adapter to complete a mounting system.
Specifications
Ball Size: B Size 1" Ball
Material: Marine-grade aluminum
Color: Black
Hole Pattern: Not applicable
Clamp Range: 0.75" - 1" diameter
Weight Capacity: Standard Use: 2 lbs; Heavy-Duty Use: 1 lb
Included Hardware: (2) #10-24 x 1" socket head cap screws, (2) #10-24 Nylock nuts, (2) .75" composite bushings, (2) .9" composite bushings, (1) 88.9mm rubber strip, (1) 5/32" hex key wrench
Product Weight: 0.26 lb
Additional Details: Includes sizing inserts to provide a tight fit while helping protect the mounting surface
What’s Included
- RAM Torque medium rail base with B Size 1" ball
- (2) #10-24 x 1" socket head cap screws
- (2) #10-24 Nylock nuts
- (2) .75" composite bushings
- (2) .9" composite bushings
- (1) 88.9mm rubber strip
- (1) 5/32" hex key wrench
Brand & Warranty
Brand: RAM Mounts
Manufacturer Part Number: RAM-B-408-75-1U
Warranty: Manufacturer's lifetime warranty
Gadget Mounts is an Authorized RAM Mounts Dealer.



