the part of the frame that connects the head tube and the bottom bracket.
Jointed tube containing a flexible drive shaft connecting a shearing handpiece to an individual electric motor or overhead gear.
The Down Tube is the frame tube that extends down from the Head Tube to the Bottom Bracket Shell. It is usually the largest diameter tube on a frame.
the tube of a frame that connects the head tube to the bottom bracket.
The portion of the frame that runs from the head tube to the bottom bracket shell.
The frame tube that runs diagonally up from the front of the bottom bracket up to the lower end of the head tube.
the frame tube running from the headset to the bottom bracket. drivetrain - the derailleurs, chain, freewheel, and crankset of a bike
Frame tube which connects the bottom bracket and the headtube.