Abstract: A split handlebar assembly for an aerodynamic bicycle having a handlebar stem for attaching said split handlebar assembly, comprising a right handlebar and a left handlebar; the right handlebar having a mounting section at one end, and a right grip section at the other end; the left handlebar having a mounting section at one end, and a left grip section at the other end; the right handlebar mounting section being configured to engage with the left handlebar mounting section; and the engaged mounting sections being configured to secure the right handlebar and the left handlebar to the handlebar stem.

Abstract: An adjustable riser assembly for mounting a handle bar assembly on a bicycle comprising a riser post; a tilt adjustment plate; the riser post including a curved mounting surface for receiving the tilt adjustment plate and the curved mounting surface being configured to support the tilt adjustment plate in a range of adjustable angular positions; and a bolt fastener for securing the tilt adjustment to the riser post in an angular position or a horizontal position.

Abstract: An adjustable riser assembly for mounting a handle bar assembly on a bicycle comprising a riser post; a tilt adjustment plate; the riser post including a curved mounting surface for receiving the tilt adjustment plate and the curved mounting surface being configured to support the tilt adjustment plate in a range of adjustable angular positions; and a bolt fastener for securing the tilt adjustment to the riser post in an angular position or a horizontal position.

Abstract: An adjustable riser assembly for mounting a handle bar assembly on a bicycle comprising a riser post; a tilt adjustment plate; the riser post including a curved mounting surface for receiving the tilt adjustment plate and the curved mounting surface being configured to support the tilt adjustment plate in a range of adjustable angular positions; and a bolt fastener for securing the tilt adjustment to the riser post in an angular position or a horizontal position.

Abstract: A split handlebar assembly for an aerodynamic bicycle having a handlebar stem for attaching said split handlebar assembly, comprising a right handlebar and a left handlebar; the right handlebar having a mounting section at one end, and a right grip section at the other end; the left handlebar having a mounting section at one end, and a left grip section at the other end; the right handlebar mounting section being configured to engage with the left handlebar mounting section; and the engaged mounting sections being configured to secure the right handlebar and the left handlebar to the handlebar stem.

Abstract: A split handlebar assembly for an aerodynamic bicycle having a handlebar stem for attaching said split handlebar assembly, comprising a right handlebar and a left handlebar; the right handlebar having a mounting section at one end, and a right grip section at the other end; the left handlebar having a mounting section at one end, and a left grip section at the other end; the right handlebar mounting section being configured to engage with the left handlebar mounting section; and the engaged mounting sections being configured to secure the right handlebar and the left handlebar to the handlebar stem.

Abstract: An adjustable riser assembly for mounting a handle bar assembly on a bicycle comprising a riser post; a tilt adjustment plate; the riser post including a curved mounting surface for receiving the tilt adjustment plate and the curved mounting surface being configured to support the tilt adjustment plate in a range of adjustable angular positions; and a bolt fastener for securing the tilt adjustment to the riser post in an angular position or a horizontal position.

Abstract: A split handlebar assembly for an aerodynamic bicycle having a handlebar stem for attaching said split handlebar assembly, comprising a right handlebar and a left handlebar; the right handlebar having a mounting section at one end, and a right grip section at the other end; the left handlebar having a mounting section at one end, and a left grip section at the other end; the right handlebar mounting section being configured to engage with the left handlebar mounting section; and the engaged mounting sections being configured to secure the right handlebar and the left handlebar to the handlebar stem.

Abstract: A bicycle comprising a frame, a front fork pivotably mounted to the frame, and handle bars coupled to the fork for pivoting with the fork, the handle bars including a pair of laterally spaced arm rests and a pair of laterally spaced extension hand grips, the extension hand grips provided forwardly of the arm rests such that a rider resting his forearms of his arms on the arm rests with his arms extending forwardly from the arm rests may grasp the extension hand grips with his hands, characterized by an aerodynamic element is provided mounted to the handle bars between the arm rests.