The Mount Line:

• is the point at which you are allowed to get on your bike. You are not allowed to cycle through transition, you must push your bike to the Mount Line and then start cycling.

The Dismount Line:

• Similarly, you must get off your bike at the Dismount Line as you come back to transition after your bike leg.

Rules:

• The rules state that you must put on your helmet, and close the straps, before pushing your bike to the Mount Line.
• You may not remove your helmet until you have re-racked your bike.