Because the pedals fell off.
From the knights Da-sa(y)-NI! This joke is best delivered verbally.
From a well, actually
A hole-y Cow!
He didn't. He fell off your bike.
They're all girls on fire.
Because they want the D.
Someone threw a fridge at him.... Gold
A Cruci-fixie.
A soul train
Because he doesn't have a thumb to ring the bell.
Because than it would be REcycling