Because someone thought enough people would want them enough to buy them.
The use of Continental bike tires are mainly used and made for people who ride bikes for a living or take very long bike rides and need very safe and reliable tires to ride on.
it is made of polymer
Aspen is a bike tire made by Maxxis. -Reputed to be very good off-road tires.
Someone can purchase dirt bike tires from Rocky Mountain ATV and Motorcycle in Payson Utah. One can also shop at Motor Sport for dirt bike tires. Local bike shops in one's area will have dirt bike tires also.
A synthetic rubber made from petroleum, like all modern tires.
This is a recumbent exercise bike that is made for indoor usage and you can't put off road tires on this unit.
Bikes can be any shade of white, black, brown, gray, red, orange, yellow, pink, purple, green, or blue. A bike's tires are black or white. You can even buy designer tires that are any color or patterned.
a triathlon bike is like a road bike, thinner then mountain bike tires..
There are not any actual tires installed on this bike.
Yes, bike's is the possessive form for the noun bike; for example the bike's tires.
Bicycle tires can be bought and replaced easily at many biking stores. Bicycle Warehouse, Performance Bike, and Bicycle Tutor all sell replacement bike tires as well as teach one how to replace a bike tire.
Because it's considered to make the bike look "cute", which is imagined to appeal to the girls.