Vehicles in a peloton

BIKES

Two-wheeled rides often seen racing in tight groups, powered solely by the riders pedaling them.

A peloton is the main group of cyclists in a race, so the clue is simply asking for the type of vehicles they ride. "Bikes" is the straightforward answer—no wordplay here, just a direct reference to the two-wheeled machines used in cycling competitions. If you’ve ever watched the Tour de France, you’ve seen a peloton packed with these.