HERO HF DELUXE i3s IS QEURY SMART BIKE. THE BIKE HAS THE BEST FEATURE THERE IS NO MORE SERVICING AND MAINTENANCE. IT’S VERY GOOD. COMFORTABLE AND AWESOME. I AM USING THE BIKE ON COLLEGE TIME BIKS IS VERY GOOD AND EXCELLENT. WE ARE TWO FRIENDS ARE GOING COLLEGE. WITH THIS BIKE. IT IS COMFORTABLE FOR COLLEGE STUDENTS AND EVERY DAY 40 TO 50 LONG DRIVE. I GIVE A VERSAL 4 STAR