You know that $300 carbon bar you just bought? Don't guess when installing it. Know exactly. Topeak's D-Torq is a precision digital torque wrench made from hardened steel. It features an audible alarm when you start to over tighten. The reversing rachet mechanism in the head has convenient thumb articulation and a range of 1-20 Nm. The LCD readout makes it easy to know exactly where you are and can calculate Nm/kg, Nm/cm, inch/lbs and foot/lbs.