As compared to what?
The advantage of an exercise bike when compared to a regular bike is that you can ride and get your exercise w/o having to worry about weather and traffic.
The advantage when compared to a treadmill is less impact, takes less place and maybe you prefer cycling over running.
A bike without a chain has advantages such as reduced maintenance, smoother ride, and cleaner appearance.
An internal hub bike offers advantages such as low maintenance, protection from elements, and ease of use compared to a traditional bike with external gears.
A shaft drive bike has advantages over a chain or belt drive bike in terms of lower maintenance requirements, cleaner operation, and longer lifespan.
Cantilever brakes on a bike offer advantages such as strong braking power, easy maintenance, and compatibility with wide tires.
Tubular bike wheels offer advantages such as lower rolling resistance, better handling, and reduced risk of pinch flats compared to other types of bike wheels.
Advantages of using mountain bike tires on a road bike include better traction and durability on rough terrain. Disadvantages include increased rolling resistance and decreased speed on smooth surfaces.
Rubber bike tires offer advantages such as better grip, durability, and resistance to punctures compared to other types of bike tires like foam or solid rubber.
Riding a bike with big wheels offers advantages such as smoother rides over rough terrain, better stability at high speeds, and increased visibility in traffic.
Using a fixed speed bike for city commuting has advantages such as simplicity, low maintenance, and better control in traffic.
Advantages of using a road bike with mountain bike tires include improved traction and stability on rough terrain, while disadvantages may include increased rolling resistance and decreased speed on smooth surfaces.
Riding a large wheel bike offers advantages such as smoother rides over rough terrain, better momentum and speed, and improved visibility in traffic.
Using an electric bike pump offers advantages such as faster inflation, less physical effort required, and the ability to easily adjust the pressure accurately.