RAM® Chrome Handlebar U-Bolt Base for Rails 0.5" to 1" in Diameter

Name: RAM® Chrome Handlebar U-Bolt Base for Rails 0.5" to 1" in Diameter
Brand: RAM Mounts
SKU: RAM-B-231CHU
Price: 23.39 USD
Availability: InStock
Rating: 4.4 (5 reviews)

RAM® Chrome Handlebar U-Bolt Base for Rails 0.5" to 1" in Diameter - Main image

RAM® Chrome Handlebar U-Bolt Base for Rails 0.5" to 1" in Diameter - View 2

$23.39 ~~$38.99~~ In stock

Category: Components

The RAM-B-231CHU consists of a 1" rubber ball designed to sit at right angles to the mounting rail. The rust proof metal u-bolt accommodates rails in diameter from 0.5" to 1.25" in diameter. The base also includes black cover caps to be placed over the exposed ends of the u-bolt.

Before you pay

Check the method and total at checkout.

When it ships

Allow for processing time as well as the journey to you.

Standard Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

Express Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

View policy

If you need a refund

Keep your order number and contact the store to start.

Please contact us for the refund processing timeframe before returning an item.

View policy

Delivery costs

Review the cost for your destination and chosen service.

Standard Shipping · United States: $0.00

Express Shipping · United States: $3.99

View policy

Returning an item

Check the return conditions before sending anything back.

United States · Return window (days after delivery): 30. Return method: By mail. Return postage: Seller pays.

View policy

Customer Reviews (4.4 / 5 · 5 reviews)

Miles ★★★★★ Oct 23, 2026

The u-bolt is rock solid once tightened around my rail, and the rubber ball holds my device at a right angle without sagging even on rough gravel roads. Fit my 0.75" bar perfectly with plenty of adjustment room, and the chrome finish hasn't shown a speck of rust after a month of rain.

Ryan W. ★★★★★ Oct 22, 2026

The rubber ball swivels smoothly, making it easy to adjust my cup holder to just the right angle on the ATV's roll bar. The chrome finish on the u-bolt looks great and feels solidly constructed, no rust worries here.

George F. ★★★★★ Oct 20, 2026

The rubber ball swivels just right on my handlebar, so my phone stays perfectly angled even on bumpy rides. That rust-proof U-bolt feels solid clamping my 0.5-inch rail, and the whole thing took under five minutes to install.