74 | Trivel.com
PROBLEM POSSIBLE CAUSES SOLUTION
Squeaking sound when braking • Brake pads are wet or dirty
• Brake pads are not properly adjusted
• Brake pads are worn out
• Rim is wet or dirty
Disc brakes
• Disc rotor is wet or dirty
• Brake pads are glazed or oil contaminated
• Brake pads are worn out
• Disc rotor is wobbling
• Disc rotor attachment is loose
• Brake caliper is loose
• Clean or replace brake pads
• Adjust brake pads / Add an angle (toe-in)
• Replace brake pads
• Clean the rim
• Clean disc rotor
• Sand or replace brake pads
• Replace brake pads
• Align or replace disc rotor
• Tighten disc rotor attachment
• Tighten brake caliper bolts
Rubbing sound when riding • Brake pads are rubbing against rim or disc
• Rim or disc rotor is rubbing against brake pads
• Chain in crossed gear combination
• Object interfering with wheels or crank arms
• Adjust brake pads spacing
• Align rim or disc rotor
• Shift gear to another combination
• Remove interfering object
Creaking sound when pedalling • Loose or dirty bottom bracket
• Loose crank arms
• Damaged pedals bearings
• Chain is dirty or rusted
• Stiff chain link
• Chain tension too high (for single speed bike)
• Tighten and clean bottom bracket
• Tighten crank arms
• Fix or replace pedals
• Clean and lubricate chain
• Fix or replace chain
• Adjust chain tension