Essential Bike Tool Too much tightening will deform bike parts. Too little torque would mean the parts are loose. All the torque wrenches are pre-calibrated in the factory. Please read the instruction carefully to avoid any damage. One of the Most Accurate Mechanical Torque Wrenches Allowing to preset up to 0. 1Nm, for example preset 5.3 Nm. And it is the only torque wrench with a preset lock ring. Unlike others the presetting could be changed when turning the handle, the Venzo torque wrench comes with a lock ring to freeze the preset value.Comes with Bit Set All the most common bits are included in the package for your convenience. The best bit is the extension which allows to reach the bolts easily, such as seat post bolts. ‘Click’ means the torque has reached preset value.