Axles are an important part of a vehicle's suspension system. They are cylindrical rods that connect the wheels to the frame of the car and allow them to rotate. The two crossword solutions for the term axles are rods (4 letters) and PIVOTS (6 letters). Rods are metal bars that are used to connect two or more components together, while PIVOTS are points around which something can rotate. Both rods and PIVOTS are essential components of an axle, as they provide the necessary support and rotation for the wheels.