Shop the best prices from top brands for new bike computers with GPS, power meters, and ANT+ heart rate monitors and cadence sensors. Upgrade to WiFi and Bluetooth, and accessorize your electronics with stem and handlebar mounts and cases. Performance sells the latest units from Garmin, Cateye, SRAM, Lezyne, Wahoo, and more for Zwift and mountain, road, electric, and commuter cyclists.