What should I check for crank-clicking and can I safely adjust disc brakes?

[Charles.P]

I've been commuting daily on my road bike for about a year now, and I'm starting to notice some new noises—a persistent clicking from the crank area when I pedal hard and a slight rubbing sound from the brakes. I do basic maintenance like cleaning and lubing the chain, but I'm not sure how to diagnose these specific issues. What should I check first for the clicking noise, and is adjusting disc brakes something a novice can do safely with basic tools, or is it easy to make them worse?

[Richard46]

Sounds like a common new-bike issue. First check is hardware. With the bike on a stand, wiggle the crank side-to-side and push/pull the pedal spindle. If there’s play in the crank, tighten the crank bolts to spec and inspect the pedal threads. If the click persists under load, the bottom bracket bearings or a worn pedal interface are likely culprits. Also sniff around the chainring bolts—loose bolts can click on hard pedaling. If nothing obvious shows up, that’s a good reason to bring it to a shop.

[Matthew38]

Brakes rubbing: spin the wheel and watch the rotor. If it’s off true you’ll feel it as rubbing. Quick fix to try: loosen the caliper mounting bolts a touch, squeeze the brake lever to center the caliper over the rotor, then retighten. Check that pads aren’t glazed and that there’s still enough pad life. If you have hydraulic brakes, avoid poking around the lines—mechanical discs are the easiest to adjust. If rub persists after centering, you may need a rotor true or pad replacement.

[MatthewRR]

Is adjusting brakes safe for a novice? Yes for basic centering and pad alignment on mechanical discs. Keep hydraulic systems untouched unless you’re comfortable with bleeding. Start simple: center the caliper to the rotor, check pad clearance, and bed in new pads if you’ve swapped them (a few hard pulls at moderate speed, then easy rides).

[Logan91]

Diagnosis plan you can try: 1) does the click happen only under power or across the whole pedal stroke? 2) check BB/crank play vs pedal interface. 3) remove the wheel to see if the click goes away, isolating chain/BB vs crank. For rubbing, check rotor runout with a straight edge, inspect pad alignment, and look for foreign objects between pad and rotor. If you swap pads, bed them in per the pad maker’s instructions.

[Adam69]

Could you share your bike type (road, mountain, gravel), brake type (mechanical or hydraulic discs vs rim), and whether the click is tied to cadence or gear? A short video or quick clip helps us spot the issue more quickly.

[Justin22]

You’re not alone—these can be straightforward fixes once you narrow down the culprit. If you want, drop your bike model, and I’ll tailor a 3–4 step checklist you can actually follow on a weekend.