The COOSPO BK9S delivers stable, real-time speed data without the hassle of magnets. With Bluetooth 5.0 and ANT+, pairing to bike computers, watches and training apps is quick and easy. A dedicated motion algorithm helps keep readings accurate on rough roads and in situations where GPS can struggle (woods, tunnels, indoor).

Highlights

• Real-time speed tracking without magnets

• Bluetooth 5.0 + ANT+ connectivity

• Compatible with Garmin, Wahoo, Hammerhead, Sigma, Mio and more

• Up to 300 hours on replaceable CR2032 battery

• IP67 water resistance

Specifications

• Size: 30.48 × 33.02 × 7.62 mm

• Weight: 8.4 g

• Battery: CR2032 (replaceable), up to 300 hours

• Connectivity: Bluetooth 5.0 & ANT+

• Waterproof rating: IP67

• Temperature range: -10°C ~ 50°C

In the box

• COOSPO BK9S speed sensor

• Silicone protective case

• User manual