MyLaps

RC4 Transponder (for RC4 Timing System only!) (#10R120)

RC4 Hybrid Transponder (for RC2, RC3 & RC4 Timing System) (#10R078)

It’s lighter. It’s smaller. It’s all black.

Introducing the RC4 Pro, the world’s smallest transponder that helps you race in style. The RC4 Pro Transponder takes the Racer to the next level.

Pitch-black design

The RC4…