Renting out transponders as a karting club
Not every driver owns a transponder. How a club sets up a rental stock, what to track per event and how to avoid three going missing at the end of the day.
Bryan Nijhof · 11 November 2026
Why rent them out
A transponder of their own costs a driver a few hundred euros, or a yearly subscription. For someone who races a few times a season or is just starting out, that is a lot. A club that rents out transponders lowers the barrier to take part. A rental fee of ten euros per race earns back the purchase in a season or two.
The stock
Number every transponder and record which number belongs in the timing system. Track per event how many are available: a few spare for those who forget theirs, a few in repair. Never rent out more than you have; that sounds obvious, but with a paper list it goes wrong as soon as two people keep the list.
Hand-out by name
Always hand out a transponder by name and link the number to the driver in the entry list right away. Then the timing is right from the first practice, and at return you know who had which. A deposit or a signature on a rental contract makes drivers take care of them.
Return
Agree where and when transponders come back: straight after the last session, at the entry desk. Tick off by name. Anyone who has not returned theirs gets a message the same evening. The longer you wait, the smaller the chance it comes back.
In Evenyo
The rental stock is in the back office per event. A driver rents with their entry, at check-in you link the number, and at the end of the day one list shows who still has to return. If you want a contract signed, the driver does that in the app before taking the transponder.