Topeak Torque 5 is a neat solution to preventing over-tightening of carbon components without the expense of a traditional torque wrench. Fit the correct bit, turn until it clicks and that is tight enough.
Preset to 5 Nm (3.68 lbf•ft) torque to prevent damage to lightweight bars, forks, or posts.
Allen key bits - 4, 5 and 6mm
Torx T25 bit for disc brake fittings