ROCKBROS 2-in-1 Speed & Cadence Sensor (Bluetooth/ANT+) This compact 2-in-1 speed and cadence sensor delivers accurate ride data for road, gravel, and mountain bikes, making it one of the best bike speed and cadence sensor options for everyday training. With Bluetooth and ANT+ connectivity, it pairs seamlessly with leading bike computers and cycling apps to provide real-time speed and cadence metrics. The low-profile, durable design performs reliably across mixed terrain and weather conditions—ideal for riders who want a clean, simple setup without managing multiple sensors. Features ANT+ & Bluetooth for Broad CompatibilityThis Bluetooth ANT+ bike sensor connects smoothly with major bike computers, smartwatches, indoor trainers, and cycling apps—making it a reliable bike speed and cadence sensor for road, gravel, and MTB riders. Two Operating Modes: Speed or CadenceThe sensor functions in one mode at a time. Riders who need both speed and cadence data simultaneously will need two sensors for complete tracking. IP67 Water- and Dust-ResistantBuilt to withstand rain, splashes, and dusty trails, offering dependable performance during outdoor training. (Not suitable for long-term submersion.) Up to 300 Days of Battery LifeDesigned for long-distance riders, this cycling sensor provides extended battery life so you can train for months without worrying about replacements. Durable ABS ConstructionMade with tough, impact-resistant ABS to protect the sensor on rough terrain—ideal for MTB, gravel, and road cycling conditions. Note: When used for speed measurement, the inner hub space must be wider than 38 mm.
