Spin bike fanatic checking in here! I highly recommend the Spinervals competition series. You can make them as hard or as easy as you want but if you put some serious effort into them you will get a phenomenal workout! Some of my favorites in the Spinervals are: Zoot Challenge (45 min), No Slackers Allowed (45 min), Ride and Stride (55 min), Mental Toughness (90 min), Suffer-O-Rama (50 min), Uphill Grind (45 min) and Have Mercy, Have Mercy 2.
Congrats on getting the spinner and HAVE FUN!:7