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Questions and answers about sports

Pedal arm clunking & falling off, how to fix?

4 min read

Asked by: Kim Tucker

Why does my bike make a clunking sound when I pedal?

Wheel Noises Only When Pedaling



Noises once-per-wheel-revolution that only occur when you are pedaling are most often related to the freewheel or Freehub. The freewheel or Freehub bearings may be loose, or the cassette may be loose on the Freehub body. See if you can wiggle the sprockets back and forth.

Why is there a clicking sound when I pedal?

A bent derailleur hanger, or one that is out of alignment, can cause a constant clicking sound while pedaling. The derailleur hanger might be visibly bent or off if it’s bad enough. Otherwise, you’ll need a hanger alignment gauge to be able to tell for certain.

Why is my bike knocking?

One of the main reasons for engine knocking could be improper combustion process, which is a result of early combustion due to the carbon build-up in the combustion chamber, insufficient air/fuel mixture and if the ignition occurs too quickly.

Why is my crank arm creaking?

The most common cause of creaking is the crank being loose on the spindle. Remove the crank bolts, lubricate the threads and under the bolt head, and reinstall. Tighten the bolts to the manufacturer recommended torque. Use a torque wrench if possible.

How do you fix knocking coming from your connect bike?


Quote from video: Once you have room to use your wrench turn the nut closest to the wheel clockwise 1/2. Turn or 180 degrees then do the same for the nut farthest.

How do you fix a clicking pedal?

Quote from video: Several other measures to try to fix the problem make sure the pedals are tight. Finally make sure that the chain ring bolts are up to the correct torque.

Why do my bike gears clunk when shifting?

In most cases, the bicycle clunks when shifting due to a loose part in the cassette, freewheel, or rear derailleur, it can be due to loose cables, and sometimes the front derailleur might be at fault.

How do I know if I need to replace my bottom bracket?

Quote from video: Changes are likely to be compromised. As well. But if it's just making noises. It might just need taking apart cleaning and servicing re-greasing and putting back.

Can you put wd40 on bike chain?

WD-40 is a great bike chain lube water based lubricant and will not only lubricate the chain well, but will also keep it rust and corrosion free. It also minimizes the accumulation of dirt which reduces the wear and tear of the chain.

How do I stop my bike from clunking?

Quote from video: The way that you can fix that would be to get yourself a flat head screwdriver to take off the hub protector which is just a little plastic cap.

Why is my motorcycle making a clunking noise?

Knocking Sound



The sound is often related to your engine’s bottom end – the crankshaft and conrods. If you have collapsed bearings or big-end shells when riding, you’ll likely hear this sound, which may cause engine seizure. If you hear a clunk sound from the motor when riding, you better stop safely and investigate.

Why does my bike creak when I pedal hard?

The most common cause of creaking is the crank being loose on the spindle. Remove the crank bolts, lubricate the threads and under the bolt head, and reinstall. Tighten the bolts to the manufacturer recommended torque. Use a torque wrench if possible.

How do you fix a noisy bike crank?

Quote from video: Down here and we'll start with the easy bits first. But remember that anytime you do anything to the bike go and ride it afterwards to see whether or not that was in fact the cause of your noises. So

Why does my bike creak when I pedal hard?

The most common cause of creaking is the crank being loose on the spindle. Remove the crank bolts, lubricate the threads and under the bolt head, and reinstall. Tighten the bolts to the manufacturer recommended torque. Use a torque wrench if possible.

Why is my motorcycle ticking?

In some engines, clicking and ticking noises may occur when something as simple as low oil level is present, but may also indicate a valve sticking, loose cam chain or other valve train problems. A clicking or clattering sound while in motion may also indicate a primary drive chain in need of adjustment.

How long does a bottom bracket last?

As for a bottom bracket, on the low end, maybe 5000 miles. The basic Shimano one most people use (UN51/55/similar) can reasonably expect 10k+ miles. But sometimes you get unlucky and get a bottom bracket that lasts maybe 500 miles.

Why does my bottom bracket click?

Most of the time, the true cause is a loose chainring bolt—tighten them up and that’ll quiet most creaks. After you check the chainring bolts and if you still hear the noise, look at your pedals, crank bolts, seatpost, and seat. By checking these first, you’ll save an hour of digging into your bottom bracket.