RAM® Composite Ball Base for 1″ Rails
The high strength composite rail/handlebar base consists of a 1″ rubber ball and clamp that will fit 1″ circular rails.
Specifications:
- Rail Dimensions: Accommodates 1″ diameter rails
- Material: High Strength Composite
- Ball Size: B Size 1″ Rubber Ball
- Note: The “U” in the part number reflects product packaged in poly bag

![RAM Mount Small Tough-Claw Mount w/Custom GoPro Hero Adapter [RAP-B-400-GOP1U]](https://www.yachtseatworks.com/wp-content/uploads/2026/10/ram-mount-small-tough-claw-mount-w-custom-gopro-hero-adapter-rap-b-400-gop1u.webp)
![RAM Mount Base UBolt Mount - Requires RAM Cradle [RAM-B-149ZU]](https://www.yachtseatworks.com/wp-content/uploads/2026/10/ram-mount-base-ubolt-mount-requires-ram-cradle-ram-b-149zu.webp)
![RAM Mount Tough-Claw Base w/Long Double Socket Arm & Universal X-Grip Cradle w/1" Ball f/7" Tablets [RAM-B-400-C-UN8U]](https://www.yachtseatworks.com/wp-content/uploads/2026/10/ram-mount-tough-claw-base-w-long-double-socket-arm-universal-x-grip-cradle-w-1-b.webp)
![RAM Mount Medium Tough-Claw Mount w/Custom GoPro Hero Adapter [RAP-B-404-GOP1U]](https://www.yachtseatworks.com/wp-content/uploads/2026/10/ram-mount-medium-tough-claw-mount-w-custom-gopro-hero-adapter-rap-b-404-gop1u.webp)
![RAM Mount Small Tough-Claw w/1" Rubber Ball [RAP-B-400U]](https://www.yachtseatworks.com/wp-content/uploads/2026/10/ram-mount-small-tough-claw-w-1-rubber-ball-rap-b-400u.webp)
![RAM Mount Medium Tough-Claw w/1" Diameter Rubber Ball [RAP-B-404U]](https://www.yachtseatworks.com/wp-content/uploads/2026/10/ram-mount-medium-tough-claw-w-1-diameter-rubber-ball-rap-b-404u.webp)
![RAM Mount Torque 3/8" - 5/8" Diameter Mini Rail Base w/1" Ball [RAM-B-408-37-62U]](https://www.yachtseatworks.com/wp-content/uploads/2026/10/ram-mount-torque-3-8-5-8-diameter-mini-rail-base-w-1-ball-ram-b-408-37-62u.webp)
![RAM Mount Strap Mount w/Arm & Round Base [RAM-B-108U]](https://www.yachtseatworks.com/wp-content/uploads/2026/10/ram-mount-strap-mount-w-arm-round-base-ram-b-108u.webp)