'Modern carbon frames are essentially large acoustic tubes': Undercover Mechanic and the problem with creaks

There is a point, during the diagnosis of a mystery creak, where your mechanic silently morphs into your therapist

Mechanic works on grumpy bike
(Image credit: Getty Images)

“I’ve got a creak.”

These four little words have the ability to strike dread into the heart of every bicycle shop mechanic.

undercover mechanic
Undercover Mechanic

Cycling Weekly's Undercover Mechanic will be publishing his thoughts on the state of the industry once a month. He's been working with bikes for over two decades, offering servicing on models from some of cycling's best (and worst) marques. You'll find him at all major trade shows and events, just don't expect him to make himself known.

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