Birzman

Torque Driver - 4Nm

The Birzman Torque Driver - 4Nm takes the guesswork out of precision tightening, helping riders protect lightweight components and maintain optimal performance with confidence. Designed for cyclists who demand accuracy, this compact torque driver delivers a consistent 4Nm of torque—perfect for stems, seatposts, and other delicate hardware where over-tightening can spell disaster.

With an ergonomic handle and a smooth, reliable torque mechanism, it’s as comfortable to use in the home workshop as it is to toss in a travel kit. The included interchangeable bits make it versatile enough for most common adjustments, keeping your bike dialed in without the need for bulky tools.

Key features:

• Preset 4Nm torque setting prevents over-tightening and component damage
• Includes 3mm, 4mm, 5mm hex, and T25 bits for wide compatibility
• Compact and lightweight design fits easily in a pack or toolbox
• Durable steel bits and quality construction ensure long-lasting accuracy

Whether fine-tuning a carbon cockpit or assembling a travel bike, the Birzman Torque Driver brings precision, reliability, and peace of mind to every turn of the wrench.