Coros APEX 4 GPS Running / Multi-Sport Watch - Black Size:42mm Tubeless ready with anti-burp rim

Tubeless ready with anti-burp rim hooks to prevent the loss of pressure and keep tires firmly in place

Bristle treatment makes EVA material even more resistant to sweat

STANDARD: 36 - 50

Frame cradles are adjustable and accommodate most any frame tube shape

Coros APEX 4 GPS Running / Multi-Sport Watch - Black Size:42mm Tubeless ready with anti-burp rimCOROS APEX 4 GPS Watch The ultimate mountain sports watch built for training, racing, and beating your personal best. 65hrs of GPS battery (46mm) or 41hrs (42mm), enough to get you through your longest days. Our most powerful mapping with free Global Maps, street and trail names, turn by turn navigation, and POI's Precision dual frequency GPS with vertical algorithms built for alpine terrain and sheer walls. 1. 3 inch Memory in Pixel touch screen