A misaligned or bent derailleur hanger can produce a clicking sound whilst pedaling. A bent derailleur hanger might not always be visible to the naked eye, but can be the source of the clicking. To fix a bent hanger take it to your local ebike shop where they can check and properly align your derailleur hanger.

The Jetson One is available for sale for $98,000, with an $8,000 deposit. They're still in the testing phase, but senior adviser Rikard Steiber says the company has "hundreds of preorders" and hopes to start having the vehicles hit the skies in the US in less than a year.

The first thing you should know about these noisy e-bikes is that motor noise is totally normal. The second thing is that it's not the only kind of noise your e-bike can make. The third is that there are some things you can do to reduce it.