Delta Stem Raiser Pro handlebar riser for bikes — raises bars up to 3.25" (Black) 6061-T6 aluminium, adjustable height markers

Delta’s Stem Raiser Pro is a lightweight aluminum handlebar riser that raises your bike’s bars up to 3.25" to improve comfort and riding posture.

Many bicycles come with a low handlebar position that suits an "average" fit, not every rider. The Delta Stem Raiser Pro is a compact riser plate and adapter engineered to lift your existing stem so you can ride with a more upright torso, reduced reach, and a less strained neck and shoulders. It installs with common tools, includes integrated height markers to repeat the fit, and is made from 6061-T6 aluminum for lasting strength.

How much height can I add with the Stem Raiser Pro?

The Stem Raiser Pro raises the handlebar height by as much as 3.25" depending on your stem and headset stack. The integrated height markers let you stop at the exact position you prefer and return to it if you remove the riser.

• Maximum advertised extension: up to 3.25" (varies by bike setup)
• Multiple incremental positions via the height markings
• Works with threadless stems and standard 1-1/8" steerers

Will it fit my mountain, hybrid, or road bike?

The riser is designed for common threadless steering systems used on MTB, hybrid, and many road bikes. Compatibility depends on steer tube length and your current headset spacers; confirm you have enough spare steer tube above the stem to clamp securely.

• Fits most 1-1/8" threadless steerer tubes
• Compatible with many mountain, hybrid, and some road setups
• Not for integrated or proprietary one-piece steerers without sufficient exposed tube

How difficult is installation and what tools are needed?

Installation is straightforward for anyone familiar with basic bicycle maintenance. The Stem Raiser Pro ships with clear instructions; typical installation requires a hex (Allen) wrench set and a torque wrench for a secure clamp when reassembling the stem.

• Simple step-by-step instructions included
• Tools commonly required: Allen keys, torque wrench recommended
• Integrated height guide helps reposition after installation

What materials and durability can I expect?

Delta constructed the riser from 6061-T6 aluminum and treated it for extra strength, giving a favorable strength-to-weight ratio and long-term reliability under normal riding loads. It’s intended as a structural adapter—inspect periodically for wear and proper torque.

• 6061 aluminum with T6 heat treatment for durability
• Lightweight design preserves bike handling characteristics
• Engineered and designed in the U.S. by Delta Cycle

Who is this for? The Delta Stem Raiser Pro is for riders who want a quicker, reversible way to increase handlebar height without swapping stems or handlebars—ideal for taller cyclists, those seeking a more upright posture, commuters, recreational riders, and anyone easing neck, shoulder, or wrist strain caused by an aggressive reach. If your bike has a standard threadless steerer and some spare tube length above the stem, this riser provides a durable, easy-to-install option to tune fit and comfort while keeping the original cockpit intact.