H303 Heart Rate Monitor Size:Small (58-78 cm) This bite valve is easy

This bite valve is easy to use with no limitations on bite angle

Aloe Barbadensis Leaf Juice

there’s a rubberized Sidi logo to help with grip if you miss your pedal’s mechanism

snake-eye shaped lens provides the ultimate hydrodynamic performance while giving the swimmer an optimized wide

Eliminates brake squeal and will not attack wax on paint or drivetrain

H303 Heart Rate Monitor Size:Small (58-78 cm) This bite valve is easyNewly designed hardware and algorithms help you accurately monitor your heart rate while exercising, maximizing your exercise results. Compatible ANT+ & Bluetooth 2 data copies for 1 workout, recording via ANT+ device and Bluetooth App at the same time, with stable transmission. ANT+: Magene, Wahoo, IGPSPORT, Bryton, Black Bird Bluetooth: Zwift, Onelap, Strava, Kinomap, Wahoo Fitness, TrainerRoad, Rouvy, Fulgaz, Nike Run Clus, Openrider, Elite HRV,