Spoke magnet for speedometer for Sigma STS, ATS and ANT+ bike computers.
The Sigma Power Magnet Clip Topline 16 is your speed transmitter for your Sigma bike computer. The power magnet is compatible with STS, ATS and ANT+ devices. Please refer to the device compatibility list below under Info. Compatible with the Sigma bike computers: ROX GPS 11.0, ROX 12.0 SPORT, BC 7.16 ATS, BC 9.16 ATS, BC 14.16 STS/CAD, BC 16.16 STS/CAD, BC 23.16 STS, Pure 1 ATS, BC 8.12 ATS, BC 12.12 STS, BC 14.12 STS Alti, BC 16.12 STS/CAD