Both ride bicycles and are on a mission.
Because they don't like random people knocking on their doors
Someone who knocks on your door for no apparent reason.
A-tyre
They both can't ride a bicycle!
A sub-woofer!!!
You don't ride horses. Me: Why do you wear sneakers You don't sneak.
A Crystal Methodist.
A full set of teeth.
They both ride bikes and go on missions.