is typically available through second-hand or specialized marketplaces rather than mainstream retailers like .
: Some units have been known to develop a faulty barometric altimeter over time, showing inaccurate elevation data. garmin 920xt best buy
: Specifically tailored for triathlons with a dedicated "Multisport" mode that handles transitions between swimming, cycling, and running seamlessly. garmin 920xt best buy
: It lacks a built-in optical heart rate sensor; you must use a separate ANT+ chest strap to track heart rate. garmin 920xt best buy