Traxxas

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

.

This is an optional Traxxas "short" RPM Sensor. To collect critical RPM data (Revolutions Per Minute), a "trigger magnet" is installed in the spur gear of electric models, or the flywheel of nitro...