2.1" Wireless Bike Bicycle Computer Speedometer Odometer Calories RPM NGK W0A9

Calories(CAL). Host size: 5.5 4.3 2 cm / 2.1 1.6 0.7 in. Host weight: 30 g / 1.0 oz. Model: Wired / Wireless (optional). Small size, light weight and easy mount on your bike. 1 Bike Computer.

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