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.
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
The cadence magnet pedal insert is designed for tight installation situations. The principle is simple, yet space-saving: the power magnet attaches to any steel pedal spindle by magnetic force alone. From there, it triggers the cadence transmitter with each crank revolution.
Sigma Sport's Cadence Power Magnet is the correct replacement magnet for any Sigma Sport computer featuring cadence (computers sold separately). It attaches to your crankarm with zip ties and double-sided tape (both included).
Sigma's replacement spoke magnet fits standard spokes and works with Sigma speed sensors.
Power Spoke magnet for all Sigma computers. Fits round and bladed spokes.
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
View your Sigma Rox GPS unit conveniently from your stem with the GPS Stem/Handlebar Mount. * Note: for use with Sigma Rox 10.0 GPS only
Be seen with Sigma's Micro II R Metallic rear safety light! This little guy's extra-bright LED is visible from up to a quarter-mile away. You can easily mount the Micro almost anywhere—helmet, arm, backpack, or even your dog's collar—with its included Velcro strap. And, you can choose from a…
Be seen with Sigma's Micro II W Metallic front safety light! This little guy's extra-bright LED is visible from up to a quarter-mile away. You can easily mount the Micro almost anywhere—helmet, arm, backpack, or even your dog's collar—with its included Velcro strap. And, you can choose from a…
Now you can charge any USB-equipped device with Sigma's IICON USB connector. It's a universal USB charging adapter that allows riders to use Sigma's IION and IION XL rechargeable batteries to power or charge any USB device.
Sigma's Tail Blazer Taillight sports 3 LED's of brilliant light that is visible from up to a mile away. This little powerhouse has a run time of up to 100 hours on just 2 AAA batteries (included)! And, it's waterproof.
Light your way and be seen with Sigma's Eloy headlight. It has four super bright white LEDs, is visible from the side, and sports a long run time of up to 100 hours. You can choose between steady and flashing modes with a convenient click switch. And, lightning-quick installs are assured thanks to…
Be seen with Sigma's Micro R and W Combo! These little, extra-bright LEDs are visible from up to a quarter-mile away. You can easily mount them almost anywhere—helmet, arm, backpack, or even your dog's collar—with their included Velcro straps. And, you can choose from a permanent or flashing mode…
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
Sigma's feature-packed BC 5.12 computer is extremely simple to use and features a crystal clear, easy-to-read display. The single-button navigation allows simple scrolling through the five different functions.
Sigma Sport's mighty little wonder, the Siggi, is an all-in-one micro-USB-rechargeable lithium-ion battery-powered headlight boasting a .5-watt LED for plenty of light to see, and also be seen from more than 400 yards. It charges in 3 hours and provides 5, 8 and 9 hours of run time with power,…
Enjoy easy viewing on your Sigma Rox 10.0 GPS Unit with this out-front handlebar mount. *Note: Out Front Mount for SIGMA ROX 10.0 GPS ONLY. Will fit 31.8 mm diameter bars only.
Use this Sigma docking station to easily download ride data to your computer. The docking station is compatible with Sigma's Rox models 8.0, 9.0, 8.1, and 9.1.
Add some flash to your ride with Sigma's Stereo Taillight. It sports two half-watt, high-power LEDs so you're easily seen at night, even from the side. The Stereo is USB rechargeable so you'll never worry about replacing batteries again. Plus, it mounts in seconds without tools to your seatpost,…
Use this Sigma docking station to easily download ride data to your computer. The docking station is compatible with all Sigma computers that use CR2032 batteries, and the Sigma Rox 5 and 6 models.
Small, powerful and even water-resistant, Sigma Sport's Mono FL lights the way and gets you seen. This mini-USB-rechargeable lithium-ion battery-powered taillight boasts a .5-watt LED that throws off more than 400 yards of visibility. It offers steady and flashing modes for 7 to 8 hours of run time…
Small, powerful and even water-resistant, Sigma Sport's Mono RL gets you seen. This mini-USB-rechargeable lithium-ion battery-powered taillight boasts a .5-watt LED that throws off more than 400 yards of visibility. It offers steady and flashing modes for 7 to 8 hours of run time per charge. It…
Get yourself a pair of essential accessories with the BC 5.12 / Micro II combo pack! The BC 5.12 computer is super easy to use, easy to read, and installs without tools. The Micro II front and rear lights are light and small, but pack a powerful punch and help you remain visible in traffic.
Small and powerful, Sigma's Quadro X is ready to light the way! This little light packs a big punch with its very bright 1/2 watt LED so you can be seen from up to one mile away. With up to 40 hours of run time on 3 AAA batteries, it's easy to appreciate the low weight and small size that makes the…
This cadence transmitter works with Sigma's STS equipped wireless bicycle computers.
This transmitter kit includes a wireless fork-mounted speed sensor, a spoke magnet, and two computer mounts. This kit can be used to replace missing parts or to set up a second bike. It is compatible with ROX and STS Sigma models.
Sigma's BC 12.12 has bicycle commuters in mind. In addition to nine functions for everyday and long-term mile-tracking, the BC 12.12 converts your commuting miles into gallons of fuel saved per trip! Plus, if features a low battery indicator and a storage chip for data back up.
Wireless ANT+ cadence transmitter for SIGMA ROX 10 and all other ANT+ compatible devices.