What's wrong with my bike?

Pick what you notice. Each page lists the usual causes, most common first, with a quick check and the repair guide.

Noises

• Clicking or ticking when pedaling
• Creaking when climbing or pedaling hard
• Brakes squeal or howl
• Pedal or crank feels loose or wobbly
• Rattles over bumps

Shifting & chain

• Chain skips or jumps when pedaling hard
• Shifts slowly or won't go into some gears
• Chain falls off
• Shifts by itself

Brakes

• Brake rubs or scrapes when the wheel spins
• Brakes feel weak
• Brake lever pulls all the way to the handlebar

Wheels & tires

• Keep getting flat tires
• Wheel wobbles
• Wheel knocks or moves side to side

Steering & suspension

• Steering feels loose, tight or notchy
• Suspension fork feels harsh, sticky or bottoms out

Comfort & fit

• Numb hands or sore wrists
• Knee pain
• Sore back, neck or shoulders
• Saddle slips down or tips