Proform Hybrid Trainer Pfel03815 Reviews: Proform Hybrid Trainer PFEL03815 offers a budget-friendly, solid cross between an elliptical and a recumbent bicycle. This is effectively two pieces of high-quality exercise equipment for the cost of one. This double-fer gives you more options for exercise and keeps your workouts interesting. It is important to stay … [Read more...] about Proform Hybrid Trainer PFEL03815 Reviews: Does It Work?