ESSENTIAL BIKE TOOL: Too much tightening will deform bike parts. Too little torque would mean the parts are loose. The bike torque wrench is a must have tool for installing bolts and bike parts. COMES with BIT SET: All the most common bits are included in the package for your convenience. The best bit is the longer 5mm allen key which allows to reach the bolts easily. Torque Range: 2-24 NM which covers most bike parts installation