A handy preset 5Nm torque key with 4mm allen key bit. Perfect for protecting your precious bike by preventing over tightening of stem, handlebar and seat clamp bolts. 4mm allen key size only. When tightened to 5Nm the key clicks to indicate the correct torque has been reached. An invaluable tool that no cyclist should be without.

• M4 bit - the most common size for both stem bolts and seat clamp bolts
• Pre set to 5Nm to prevent overtightening
• Small - weighs just over 50g.
• An essential for any cyclists tool kit