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.
													
																	Bike frame parts explained. 
									
	
		
	
																	Each bicycle frame material offers a list of differing characteristics that will affect the cost comfort weight stiffness strength and durability. 
																	The main element of a bicycle that provides points of attachment for the various components that make up the machine. 
																	A frame and fork sold as a combination are referred to as a frameset. 
																	Usually consists of a head tube top tube down tube seat tube seat stay and chain stay connected together into a frame. 
															
													
									
	
		
	
																	Composed of a top tube head tube down tube bottom bracket shell seat tube seat stays and chain stays see image. 
																	Let s start with the parts of the frame. 
																	The mechanical core of a bicycle the frame provides points of attachment for the various components that make up the machine. 
																	This here is the top tube the down tube the se. 
															
													
									
	
		
	
																	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. 
																	Bike frames are commonly measured in centimetres representing the length of the seat tube.