KyVex Billet Stem Lock

In-Stock / Ships Same-day

Upgrade your front-end reliability with our premium Stem Lock, engineered specifically to eliminate headset play and keep your head bearings securely tightened at all times. Designed for performance-focused e-bike riders, this component replaces the standard headset bolt with a full-length threaded bolt that applies consistent compression between the upper and lower triple clamps. The result is a solid, stable steering feel that won’t loosen over time.

By compressing the upper and lower triple clamps into one solid unit, the Stem Lock eliminates headset play and delivers a tighter, more responsive feel the moment you turn the bars. No flex, no movement, no unwanted play — just pure control when it matters most.

Each Stem Lock is CNC-machined from 6061 billet aluminum, ensuring exceptional strength while keeping weight to a minimum. The precision machining guarantees a perfect fit and smooth installation, while the durable anodized finish adds both corrosion resistance and a clean, high-end look.

Key Features:

• Eliminates headset play for tighter, more precise steering
• Made in USA
• Replaces the stock headset bolt with a full-length threaded system
• Compresses upper and lower triple clamps to prevent stem loosening
• CNC-machined from high-strength 6061 billet aluminum
• Lightweight, durable, and built for long-term reliability
• Available in 6 anodized colors for a custom look 
• Includes three spacers to fit on different steer tube lengths 
• Hardware Included

Disclaimer: This Stem lock is for direct mount triple clamps and forks that already have a fender mount on the lower clamps.