Actually to get a full set of Pitlocks is around $160 not $90, then add to it $70 for the Krypto NY U-lock, then add the OnGuard Rottweiler armored cable lock at $95 and your up to $325 in locks. Or you can buy a $100 or so beater and buy one lock for $25 and call it day for less then $130. But there's no logic in spending $325 in locks to lock up a $300 bike, I figure if you spend no more then 10% of the value of the bike in locks you'll be fine.