Bike Frame Parts Explained

Bike frames are commonly measured in centimetres representing the length of the seat tube.

Bike frame parts explained.

This is a mountain bike and at the heart of any bike is its frame. The main element of a bicycle that provides points of attachment for the various components that make up the machine. Frame the main structural part of the bicycle commonly made of steel aluminum titanium or carbon fiber. A description of the frame size based on this measurement is then allocated for example a manufacturer may measure the seat tube length of a bike as 51cm and then describe it is a small frame.

Composed of a top tube head tube down tube bottom bracket shell seat tube seat stays and chain stays see image. This here is the top tube the down tube the se. Usually consists of a head tube top tube down tube seat tube seat stay and chain stay connected together into a frame. The term is variously construed and can refer to the base section always including the bottom bracket or to base frame fork and suspension components such as a shock absorber.

Let s start with the parts of the frame. Often referred to as the heart of a bike a frame can be made from either carbon fiber aluminum titanium steel or a combination of these materials.