In Calgary your bike can be taken by the cops, but not for more than 60 days at least.

PENALTIES
59.1 (1) A Peace Officer may seize and impound for a period not exceeding 60 (sixty)
days any bicycle, skateboard, or other similar device used or operated in contravention
of this Bylaw.
(2) Where a bicycle, skateboard, or other similar device has been seized and impounded
by a Peace Officer as provided for in this Bylaw, the owner or operator of such bicycle,
skateboard, or other similar device shall, aside from any fine or penalty to which he may
be subject, be liable for all reasonable costs incidental to the seizure and impounding of
the bicycle, skateboard, or other similar device.