Horizon Fitness GR3 Indoor Cycle Horizon Fitness Updated October 07, 2021 20:41 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 0 found this helpful Have more questions? Submit a request Related articles Horizon Fitness IC7.9 Indoor Cycle How to Pair Console Bluetooth Speakers to a Tablet or Phone Horizon Fitness Comfort U Upright Bike Why Doesn't My Indoor Cycle Show RPM? Horizon Fitness Comfort R Recumbent Bike Comments 0 comments Please sign in to leave a comment.