
Why Does My Bike Chain Skip Or Slip When Pedalling Hard
Your chain skips under power? It’s likely a worn cassette. Here’s how to diagnose the mismatch and fix it without making the problem worse.
Browse every bike care guide — from why brakes squeak and what stops it, to chains that skip, gears that will not change, punctures and inner tubes, cleaning after a wet ride and storing a bike in a flat or shed without it rusting.

Your chain skips under power? It’s likely a worn cassette. Here’s how to diagnose the mismatch and fix it without making the problem worse.

Your chain keeps falling off the front chainring? It’s likely not the derailleur. Here’s how to check chain length and fix the real cause without replacing parts you don’t need.

Squeaky brakes after a wash? Don't panic. Learn the three safety limits that mean it's time to visit a bike shop, not just clean them yourself.

Squeaky brakes? Don't ruin your pads. Learn the two safe ways to clean rotors: commercial cleaner for deep cleans and 99% isopropyl alcohol for routine maintenance.

Your rim brakes squeal because of vibration, not dirt. Here's how to stop the noise by adjusting the pad angle (toe-in) and tightening bolts, without replacing parts.

New bike brakes squeaking? It’s usually just a bedding-in issue, not a safety problem. Learn how to fix squeal caused by contamination, misalignment, or loose bolts before you buy new pads.

Your brakes still screech after a wash. It's likely glazed pads, not dirt. Here's how to fix the squeal without replacing parts you don't need.

Your brakes are screeching after a wash. Stop adjusting the caliper and start cleaning. Here's the one fix that actually stops the noise.