Click while climbing

[ejward13]

Most of the time, my bike sounds perfectly normal. When I start to really crank on the pedals (climbing or just accelerating hard) I get a clicking sound that times with the pedals. I think it is always on the downstroke of the right pedal, but am not 100% sure. Any ideas/recommendations would be helpful.
Thanks.

[DaveM]

Likely loose crank arm or pedal.

[Tim7777]

Just so you know you are not alone, I have the same problem, only it's on the flat. No noise when climbing, no noise when I'm keeping the pedals moving over with no pressure, just on the flat when I am keeping myself up to speed. It's driving me nuts! If any one can provide a solution I'd be grateful. I have a brand new bike by the way, so wear shouldn't come into it. The pedals aren't loose, neither are the nuts securing the crank arms to the spline.

[Joe_W]

If it is new: go to the bike shop and let them fix it.
If it is not new: look at every bolt on the bike and torque it to spec. Grease things like the seat post and use (dang... whatcha call it... assembly compound stuff?) where appropriate. I currently have a similar problem, a click when pedaling hard(-ish), twice per revolution at the last third of the down stroke. Noise seems to cease when riding hands free. Yesterday night I retorqued, greased, lubed (almost) everything, still have to take it out for a spin to check. I still have to get a 8mm inside hex wrench with a long handle for the pedals and the Hollowtech II tools....
Side note: anecdotes tell that it might even be a shoelace slapping against the frame...

[Tim7777]

Thanks for the response Joe, lube is next on my list. Talking to a workmate tomorrow who used to run a cycle business. I am reliably informed he is a guru on these problems. If he comes up with a solution, I will post the result.

[Joe_W]

Guys, I feel... stupid. OK, I took out my steed for a spin yesterday. The clicking / clonking still persisted. Then I took a closer look at the bike: the Michelin latex tubes have no threaded valves, so no valve nut to secure them to the rim. 4cm of electrical tape later: no noise anymore. Problem solved.