Sigma STS Speed Transmitter

The STS wireless speed transmitter is compatible with STS model computers for BIKE 1 or BIKE 2.

This new version of the STS speed transmitter can be installed with o-rings or zip ties and has an adjustable pivot point to allow more customizable installation options.

Includes all necessary components for bike install including mount, magnet, and mounting hardware.

Compatible models:

Topline 2009:
- BC 1009 STS
- BC 1609 STS
- BC 1909 STS
- BC 2209 STS
- ROX 8.0
- ROX 8.1
- ROX 9.0
- ROX 9.1

Topline 2012:
- BC 12.12 STS
- BC 14.12 STS
- BC 16.12 STS
- ROX 5.0
- ROX 6.0

Topline 2016:
- BC 14.16 STS
- BC 16.16 STS