CR2032 Lithium 3V battery for SIGMA computers, heart rate monitors, transmitters, and Micro Lights. Functions/Features Fits all 2003 and up twist lock computers, PC3, PC4, PC9, PC15, Shape watch, FIT watch, Onyx series HRM's, all HRM transmitters, and Micro Lights.
CR2450 battery for SIGMA computers. Fits BC 1909, BC 2209, BC 2209 Targa, and ROX models.
Wireless mounting bracket for 2012, 2009 STS & 2006 DTS model computers. Handlebar or stem mount. Compatible models: BC 1106 DTS BC 1606L DTS BC1706HR DTS BC 2006 MHR DTS BC 1009 STS BC 1609 STS BC 8.12 ATS BC 12.12 STS BC 14.12 STS BC 16.12 STS Baseline 1200 plus
Replacement handlebar/stem mount for wireless CR 2450 computers. Compatible devices: ROX 8.0 ROX 9.0 ROX 8.1 Rox 9.1 BC1909HR BC2209MHR ROX 5.0 ROX 6.0
Power Spoke magnet for all Sigma computers. Fits round and bladed spokes.
Cadence sensor kit for Universal bracket only. * Note: mount sold separately
Enjoy easy viewing with the Butler Out Front handlebar mount! Out Front Mount for following models: BC 1909 STS BC 2209 STS ROX 5.0 ROX 6.0 ROX 8 ROX 8.1 ROX 9 ROX 9.1 *Note: not for use with ROX 10.0
Wireless ANT+ cadence transmitter for SIGMA ROX 10 and all other ANT+ compatible devices.
Wireless ANT+ speed transmitter for SIGMA ROX 10 and all other ANT+ compatible devices. * Note: GPS Stem/Handlebar Mount sold separately