Many cranes and light handlebars are guaranteed only if their installation is performed with a suitable torque wrench ..
Indeed, excessive tightening on stem bolts can have several serious consequences crushing grip, pull the threads from the gallows, breaking the mounting cover.
At the opposite, tightening may cause the handlebar to spin up or loosens.
Clamping set to 5 N.m
Adjust and properly mount the carbon parts without damage
Check the clamping characteristics of the components prior to use