As with current margin rules, all short sales must be done in a margin account. If you sell short and then buy to cover on the same day, it is considered a day trade. Does the rule apply to day-trading options? Yes. The day-trading margin rule applies to day trading in any security, including options. What is a pattern day trader?
This is completely normal and is seen on $300+ Benchmade custom balisongs (tang pins deform or pivot screws back out). On a balisong with screw construction, LocTite is used to hold the pins in place. On FHMs, I use industrial strength epoxy.
The creaking of the BB30 bottom bracket is not specific to just Cannondale bikes, but to the BB30 design in general. Some people have had good luck using red loctite when pressing the bearings into the bottom bracket. Supposedly the loctite helps fill any micro gaps between the bottom bracket and the bearing race.