Tool Hub -1/4"Dr. Micrometer Torque Wrench, 2 - 24Nm. 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. Torque range: 2-24 NM which covers most bike parts installation A must for Carbon Bikes