[to11mtm]

Even as far back as 2005-2006 there were stories of riders taping wrenches to bikes to get to the requisite weight, it's not even a new thing per se.

[recursive]

I've heard stories of freezing ice inside the seatpost. It will stay frozen long enough to pass the pre-race weigh-in, but melt away before the start of the big climb.

[jessekv]

Another reason for those thermal cameras.