The Precor EFX 546 elliptical cross trainer is one of the world’s most sought after exercise machine. You too can now afford this premium commercial grade, health club machine for your own home. Its the most popular new form of cardiovascular exercise in fitness facilities today. Introduced by Precor, the Precor 546 Elliptical features a no-impact, forward or reverse elliptical stride that lets your members adjust ramp and resistance for crosstraining benefits.