Headset wrench 40 mm Var 162 / 40

Headset wrench: spotlight on the VAR 162/40 – a must-have tool for every cyclist

In the world of bicycle maintenance, having the right bike tool makes all the difference. Whether you're a professional mechanic, an avid cyclist, or simply someone who likes to keep their bike in top shape, certain tools are simply essential. One of them is the headset wrench, and more specifically, the VAR 162/40, a flat wrench designed for 40 mm headsets. Here's everything you need to know about this precision tool.

What is a headset wrench ?

A headset wrench is a specialized bike tool used to install, remove, or adjust the components of the headset—the mechanism that connects the fork to the frame and allows the handlebars to turn smoothly. Improper tension or inaccurate tightening can result in loose steering, poor handling, or even long-term damage to the frame. That’s why having the right wrench is crucial for safe and precise adjustments.

VAR 162/40 flat wrench: technical specifications

The VAR 162/40 is a professional-grade flat wrench designed specifically for 40 mm headset locknuts. Its main features include:

• 40 mm opening: Ideal for larger diameter headset locknuts, particularly on vintage or classic road bikes.

• Heat-treated steel construction: Ensures high resistance to twisting, wear, and deformation—even with heavy-duty use.

• Ultra-thin profile: Easily fits into tight spaces between the stem and headset nut.

• Ergonomic handle: Coated with a non-slip grip for comfortable handling, even with greasy or wet hands.

• Made by VAR, a renowned French manufacturer of professional bicycle tools since 1945.

When to use a 40 mm flat wrench ?

A 40 mm flat wrench is particularly useful for:

• Adjusting threaded headsets on older or vintage bikes.

• Tightening or loosening headset locknuts or cups without damaging components.

• Restoring classic bicycles with precision and care.

• Professional workshop use, ensuring durability and reliability during frequent service operations.

Why choose the VAR 162/40 ?

Choosing the VAR 162/40 means investing in a high-quality, purpose-built bike tool. In a cycling world filled with various headset standards, having a simple, reliable, and accurate wrench ensures smooth, damage-free work. It’s a must-have in the toolkit of both professional bike mechanics and dedicated cycling enthusiasts.

Final thoughts

The headset wrench is more than just a basic accessory—it’s a key tool for any serious bicycle maintenance setup. The VAR 162/40 stands out for its high manufacturing standards, reliability, and compatibility with large-diameter headsets. A true professional bike tool that helps maintain safe and responsive steering on every ride.