Horizon Fitness R52HR Recumbent Bike Horizon Fitness Updated September 15, 2021 20:00 For the 2005 Horizon Fitness R52HR Owner's Guide, please click here. For the 2005 Horizon Fitness R52HR 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 R6055 Recumbent Bike Comments 0 comments Please sign in to leave a comment.