COROS Bike Speed Sensor vs Garmin Forerunner 165
Side-by-side on the specs that matter, with category winners and an opinionated take to help you decide.
Choosing between a dedicated bike speed sensor and a full-featured running watch for a pro hinges on whether you need single-sport precision or multi-sport versatility.
Pick COROS Bike Speed Sensor if you are a dedicated cyclist who demands the most accurate speed and cadence data for performance tuning.
Pick Garmin Forerunner 165 if you are a multi-sport athlete who needs a daily training watch with GPS, heart rate, and smart features.
- —The COROS sensor gives you pinpoint cycling data but requires a separate computer or watch to view it.
- —The Garmin watch provides an all-in-one training hub but its optical heart rate is less reliable than a chest strap.
- —The dedicated sensor excels in a single discipline, while the watch offers broad utility across sports.
Full specs
Ask anything — we'll answer with COROS Bike Speed Sensor and Garmin Forerunner 165 in mind for pro use.
Pindear may earn a commission when you buy through these links. Winners are determined by numeric spec comparisons only; non-numeric features (app quality, ecosystem, real-world feel) are covered in the verdict.