Is the Schwinn Loop good for commuting?

Yes, for short to moderate city commutes. The street tires and 20-inch alloy wheels roll well on pavement, and the rear rack carries a bag or panniers. The fold makes it easy to bring inside at either end.

What rider heights does it fit?

Schwinn lists a fit range of about 4'8" to 6'2". The seatpost and handlebar adjust within that range, but riders at the extremes should check the reach before buying.

How does it compare with a full-size hybrid bike?

It folds and stores far smaller, which a hybrid cannot do. In return, the small wheels accelerate and roll less smoothly, and the frame is heavier and less stiff than a rigid hybrid.

Does it come with a bag?

Yes. The bike folds into a heavy-gauge nylon bag that Schwinn includes, which makes it easier to carry and store.

How many gears does it have?

It has 7 speeds with a twist shifter. That is enough for rolling city terrain but fewer than the 21- or 24-speed drivetrains common on hybrid bikes.

Are the brakes reliable?

It uses front and rear linear-pull brakes, the same style found on many city bikes. They give solid stopping power in dry conditions; expect less bite in heavy rain.