Originally Posted by scrublover
4. seatpost. yes, seatpost. many times a seatpost with no/not enough grease will sound like noise coming from the crank/bottom bracket area.
Ive even had grit where my seat connects to the seatpost that got noisy when mashing. it was weird, when I sat it creaked, when I stood, it stopped. it sounded just like the left crankarm too