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Ducati Meccanica
Posts: 2,467
Join Date: Dec 2001
Location: North Yorkshire
Mood: Is 112 dB loud enough?? What??
Transponder is not the same as a laptimer. A transponder is used by race control to record everyone's laptime in a race. It does not have any readouts. The race organizers will tell you which model you need. The TranX260 is widely used.
For lap timers see other threads.