These products serve fundamentally different purposes with no direct overlap in use case, limiting comparison to separate categories of strength versus cardio equipment. Bowflex SelectTech 552 at $429 MSRP replaces 15 dumbbell sets with 5-52.5 lb adjustability in 2.5 lb steps to 25 lbs, while Peloton Bike at $1500 MSRP includes a 21.5 inch HD touchscreen, 135 lb weight, and manual resistance kn...