It is partially pre-assembled and can be moved around easily. It is more stable than one rail. It prevents the flip-over when rowing.
Magnetic Rowing Machine MERACH 16 Levels App Compatible 350LB
Magnetic Rower Machine MERACH 16 Resistance App Dual Rail
MERACH Sculls Rowing Machines for Home, Magnetic Rowing Machine with 16-Level, Simulate Real Row, Ultra-Quiet Rower, MERACH App and 1000+ Champion Coaching Course & Games
MERACH Pro-Grade Rowing Machines for Home, Smart Magnetic Rowing Machine with Self-Generation, Double Resistance and 400 LBS MAX Load, Wooden Tracks for Silent Sliding, MERACH App 1000+ Course & Games
MERACH Foldable Rowing Machines for Home, Magnetic Rowing Machine with 16-Level, Compact Row Saves 20% Space, 350 LBS Load Capacity, MERACH App and 1000+ Champion Coaching Course & Games
MERACH Q1S Magnetic Rowing Machine 16 Levels of Quiet Resistance Dual Slide Rail
