Question: what kind of spin bike should i buy?
Answer: Q Factor. The Q factor is one of the most important features to look at on a Spin ® Bike. ... 
Flywheel Weight. ... 
Adjustable Seat Position. ... 
Adjustable Handlebar Position. ... 
Type of Resistance. ... 
Water Bottle Holder. ... 
Multiple Handlebar Positions. ... 
Drive Train Mechanism.