Features an advanced PM5 Performance Monitor, improved ergonomically designed handles, adjustable foot-rests, and a flywheel designed for smooth movement with minimal noise. The Model D has a comfortable 14" (seat) height with an aluminum I-beam monorail and stainless steel track for a consistent back-and-forth slide. When done training, you can quickly break down the rower into two segments for storage or use the included caster wheels for easy transport. Rogue offers an optional space saving wall hanger. The Concept 2 Rower provides one of the more comprehensive, full-body workouts of any fitness machine. Engineered to last a lifetime, it's low impact enough for use in physical rehabilitation centers, and intensive enough to be used by the world's fittest athletes.