Horizon Fitness GR3 Indoor Cycle Horizon Fitness Updated October 16, 2023 20:05 For the 2018 Horizon Fitness GR3 Owner's Guide, please click here. For the 2018 Horizon Fitness GR3 Console Owner's Guide, please click here. For the 2018 Horizon Fitness GR3 Exploded Diagram, please click here. Was this article helpful? Yes No 0 out of 1 found this helpful Have more questions? Submit a request Related articles Why Doesn't My Indoor Cycle Show RPM? GR3 Magnet Replacement How to Pair Console Bluetooth Speakers to a Tablet or Phone Horizon Fitness IC7.9 Indoor Cycle Horizon Fitness Comfort U Upright Bike Comments 0 comments Please sign in to leave a comment.