When you spawn into a lobby, you should spawn in off of your bike. This way the host can't immediately start the match due to you being "readied" for the game since you by default are already on your bike.
#Suggestion: Spawn Into Lobbies Off of Your Bike
lusty ledge
heavy osprey
We might instead add an area where you need to be to be ready. Since we really like the players to start riding their bike from the start