Topeak Nano Torqbar X. Nano Torqbar X Torque Wrench is a compact easy to use and read torque wrench provides correct tightening of bolts on frame and component bolts to recommended torque values for safety and performance. Two of your favorite bits can be carried in the handle of the Nano TorqBar X for immediate use and even greater portability during rides. Torque range: 2–6 Nm.Aluminum / Engineering grade polymerIntegrated compartment for two bits Carry caseIncludes: 3 4 5mm hex bits T20 and T25 Torx bits and carry case