  Bell nonlocality is a fundamental phenomenon of quantum physics as well as an
essential resource for various tasks in quantum information processing. It is
known that for the observation of nonlocality the measurements on a quantum
system have to be incompatible, but the question which incompatible
measurements are useful, remained open. Here we prove that any set of
incompatible measurements on qubits leads to a violation of a suitable Bell
inequality in a multiparticle scenario, where all parties perform the same set
of measurements. Since there exists incompatible measurements on qubits which
do not lead to Bell nonlocality for two particles, our results demonstrate a
fundamental difference between two-particle and multi-particle nonlocality,
pointing at the superactivation of measurement incompatibility as a resource.
In addition, our results imply that measurement incompatibility for qubits can
always be certified in a device-independent manner.
