In order to correctly size a bike to you, you need to be fitted.
The bike shop will measure you and use a special "fit kit"
Throwing that all aside and just generalizing, you should be riding about a 13 - 15 inch frame if it's a mountain bike, and a17 to 19 inch frame if you are riding a road bike. Your stem and crank length will vary depending on your body.
Depends on how often you ride the bike. If you ride it weekly then I wouldn't worry about it. But if their are periods of time when the bike is not ridden, it may be a wise purchase.
Typically the size of a chain on an adult bike should be one 16th of an inch or less. It is recommended to replace the chain on your bike if it exceeds one 16th of an inch.
One can purchase Campagnolo bike parts at their local bike shop. One can also purchase them online at sites such as Amazon, Bike Parts, eBay, and Upgrade Cycle.
The manafacture of the bike should replace it, or otherwise call the police. I doubt that the manufacturer will replace your bike and yes you should call the cops. You should have insurance on a brand new bike that would cover that if you are a smart person.
A bicycle.
There are many places where one can purchase a pink quad bike. One can purchase a pink quad bike at popular on the web sources such as Tesco and eBay.
If you prefer to build your bike to meet your needs, you can purchase bike frames from specialty bike stores. You can also try online sources such as eBay, kijiji and Amazon.
A home exerciser bike is a great purchase to help you keep in shape, be it a standard or recumbent. If you have back problems, a recumbent might be easier for you to use without injury.
The woman on the bike is Miss Gulch.
There are many places where one can purchase a X18 Pocket Bike. One can purchase an X18 Pocket Bike at popular on the web sources such as USA Pocket Bikes and Mini Pocket Rockets.
One might purchase a speedway bike at a bike shop or sporting goods store. One might also purchase a speedway bike by looking at the classified ads of a newspaper or checking Ebay and Amazon for new or used speedway bikes.
The best way is to go to a Bike Store that sells Triathlon Specific Bikes and be fitted with your bike purchase. Be sure the fitting is included with the purchase.