CNC Aluminium MTB & Road Bike Handlebar Stem 45mm 28.6/31.8mm

MOTSUV 45mm CNC Aluminium Bicycle Handlebar Stem – MTB & Road Bike

Upgrade your ride with this precision-machined CNC aluminium handlebar stem designed for both mountain bikes (MTB) and road bicycles. Featuring a short 45mm reach and compatibility with 28.6mm fork clamps and 31.8mm handlebars, this lightweight yet rigid stem delivers confident steering and a secure handlebar connection on every ride. Made in Mainland China.

Key Features

• CNC Machined Aluminium – Precision-cut for a clean finish, reduced weight, and excellent strength-to-weight ratio
• 45mm Short Reach – Ideal for aggressive riding positions and more responsive handling
• Universal Compatibility – Fork clamp diameter: 28.6mm; Handlebar clamp diameter: 28.1–29.5mm (fits most standard 31.8mm bars)
• Riser Design – Height adjustable between 26–35mm for a customised, ergonomic riding position
• Durable Construction – High-grade aluminium alloy resists corrosion and handles demanding trail and road conditions
• Lightweight & Stiff – Minimal flex ensures direct power transfer from your arms to the front wheel
• Broad Compatibility – Fits most MTB, road, and hybrid bicycle builds with standard steerer tubes

Specifications

Who Is This For?

Whether you're a weekend trail rider, daily commuter, or competitive cyclist, this handlebar stem is a smart, budget-friendly upgrade. The short 45mm reach suits riders who prefer an upright, controlled position or want to fine-tune their cockpit geometry for better handling and confidence.

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Frequently Asked Questions

Q: What handlebar sizes are compatible with this bicycle stem?

A: This CNC aluminium bike stem is compatible with handlebar clamp diameters ranging from 28.1mm to 29.5mm, making it suitable for standard 31.8mm road and MTB handlebars. Always measure your handlebar diameter before purchasing to ensure a correct fit.

Q: Is this stem compatible with my mountain bike fork?

A: Yes. This handlebar stem features a 28.6mm fork clamp (steerer tube) diameter, which is the standard size for most MTB and road bike forks. Check your fork's steerer tube diameter to confirm compatibility before installation.

Q: Can I adjust the height of this stem?

A: The stem riser design offers a height range of 26–35mm, allowing you to fine-tune your handlebar height for a more comfortable and ergonomic riding position. Use spacers on the steerer tube for additional height adjustment as needed.

Q: What material is this bike stem made from?

A: This stem is precision-machined from high-grade CNC aluminium alloy, offering an excellent balance of low weight, rigidity, and corrosion resistance — perfect for both road cycling and mountain biking.