I was just two miles from home when my motorbike conked out!
"Joe says he's going to buy a motorbike." "Over my dead body!"
He made his escape on the back of a motorbike.
I like going on the back of Laurent's motorbike, though it can get a bit hairy.
Which customer did the mechanic fix the really noisy motorbike for two weeks ago?
Cars, motorbikes and scooters were set on fire.
Rather, the utterance is a relative clause (' 'the motorbike that you bought' ') being used to specify a particular toy.