RAM® Composite U-Bolt Adapter for Handlebars

Name: RAM® Composite U-Bolt Adapter for Handlebars
Brand: RAM Mounts
SKU: RAP-319U
Price: 2.62 USD
Availability: InStock
Rating: 5.0 (5 reviews)

RAM® Composite U-Bolt Adapter for Handlebars - Main image

$2.62 ~~$3.49~~ In stock

Category: Components

The RAM® Composite U-Bolt Adapter for Handlebars is designed to narrow the rail width of RAM u-bolts to a minimum of 0.5". It is a component within the RAM Mounts hardware lineup, offered under part number RAP-319U.

Composite adapter for RAM u-bolts
Narrows rail width to a minimum of 0.5"
Intended for handlebar mounting setups
Part number: RAP-319U
Brand: RAM Mounts

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

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

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Standard Shipping · United States: $0.00

Express Shipping · United States: $3.99

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

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Customer Reviews (5.0 / 5 · 5 reviews)

Hannah J. ★★★★★ Oct 23, 2026

I needed to mount my phone on a bike with a smaller u-bolt, and this adapter made it possible without any rattling. The composite material feels sturdy enough for bumpy rides.

Ella B. ★★★★★ Oct 22, 2026

The 0.5" minimum rail width was exactly what I needed to get my mount seated properly on a thinner handlebar section. The composite material feels solid and the fit is precise, no wobble at all after a week of rough riding.

Miles I. ★★★★★ Oct 21, 2026

The adapter snugged my u-bolt down perfectly to fit my narrow bar setup. It’s solid composite and the 0.5-inch minimum clearance was exactly what I needed.