I recently swapped out the stock BB from my 2014 Giant Defy 1 this week after it developed a creak, this is the first time I have had to do so in 6k miles of riding on the bike. I replaced the stock BB71-41B with a BB92-41B(BB86). The creak disappeared, for a whole 20 miles or so and has returned with a vengeance. Do these press fit BBs require grease or threadlock for creak free operation? The interwebs is full of misinformation and conflicting advice, so hoping for some expert opinion. And yes, I have already ruled out: Pedal creaks Headset creaks Chainring bolt creaks Seat post/clamp creaks Saddle rail creaks Crank bolt creaks Drop out creaks. It definitely seems to be originating from the BB, only under power, in or out of the saddle, and hands on or off the bars.