I don't think anyone makes a single torque wrench that covers everything needed on a bike.
The lowest setting you need is 0.7 - 1.5 Nm (the end cap on LHS of Hollowtech II Cranksets)
The highest you need is 35-50 Nm (Crank Bolts on Square Taper/Octalink Cranksets
This might cover the upper end of the range.