Edge 830 Speed/Cadence Bundle Bike Computer - GPS, Wireless, Speed, Cadence, Black 12" - 20" bikes and its center section is

and its center section is aero bar compatible

shallow drop

Easy on/off attachment straps (don't have to take off shoes)

Bicycling magazine says

you won't have to worry about flatting when you're riding over debris

Edge 830 Speed/Cadence Bundle Bike Computer - GPS, Wireless, Speed, Cadence, Black 12" - 20" bikes and its center section isThe Edge 830 touchscreen GPS bike computer offers dynamic performance monitoring and insights to help you improve and reach goals. Performance GPS cycling computer with mapping and touchscreen helps you ride like a local and gives you peace of mind Dynamic performance monitoring provides insights on your VO2 max, recovery, training balance, heat and altitude acclimation, nutrition, hydration and more when paired with compatible sensors MTB dynamics