Repairs included inside Bike Doctor

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View of Bike Doctor being used on iPad

General Guides

  1. Bike Safety Check – Use the M-Check to ensure your bike is safe and ready to ride.
  2. How to Lubricate a Bike – Keep your bike in great condition by lubricating it properly.
  3. Cleaning Your Bike – Prolong the life of your bike and enjoy a smoother riding experience by cleaning regularly.
  4. Seven Rookie Maintenance Mistakes – Learn to avoid the most common mistakes that people make.
  5. Assembling a New Bike – If you’ve bought a bike online, learn how to get it up and running quickly and easily.
  6. Stopping Bike Squeaks – Besides the annoyance, squeaks are a warning sign that your bike needs attention.
  7. Annual Bike Service – Save yourself the cost of an annual bike service by performing it yourself.
  8. Bike Maintenance Tools – You don’t need an expensive toolkit to complete the most common bike repairs.


  1. Brake Cable Replacement – Over time brake cables gather dirt, water seeps into them and they get worn out. Learn how to replace your brake cables.
  2. Replace Brake Pad on Cantilever Brake – Brake pads frequently wear out, learn how to replace the brake pads on a Cantilever brake.
  3. Replace Brake Pad on V-Brake – V-brakes are common on many mountain and hybrid bikes. Learn how to replace them.
  4. Replace Road Brake Pads – Many road (or racing) bikes use cartridge-based brake calipers, making their replacement quick and easy.
  5. Replace Mechanical Disc Brake Pads – Disc brakes are often found on Mountain Bikes but are finding their way onto more commuter bikes too.
  6. Replace Hydraulic Disc Brake Pads – You may need to replace the pads on hydraulic disc brakes if the pads have worn to 1mm thickness.
  7. Brake Lever Reach Adjustment – Adjust your brake levers for maximum hand comfort and braking efficiency.
  8. Bleeding Disk Brakes – Disk brakes should be bled if your disk brake performance feels spongy.


  1. Replacing a Broken Spoke – Spokes can break when you’re out on the trail – learn how to replace them.
  2. Truing a Wheel – Stop wheels from being wobbly, giving you better performance and easier brake adjustment.
  3. Puncture Repair – How to repair a puncture when you are out cycling.
  4. Patching a Punctured Inner Tube – Don’t throw away inner tubes just because they are punctured. Learn how to patch them.
  5. Removing a Rear Wheel – Removing and installing your rear wheel is a frequent part of many repairs.
  6. Replacing Rim Tape – Perform this repair if you are discovering punctures on the inside of the inner tube.
  7. Preventing Punctures – How to make punctures a thing of the past.
  8. Clean your Rims and Brake Pads – Dirty rims and brake pads greatly reduces braking speed and performance.
  9. Choosing Mudguards – Protect yourself, your bike frame and components from road muck.


  1. Removing and Replacing Pedals – Install new pedals or re-grease the existing ones if they seem noisy.
  2. Checking Bottom Bracket – If you cycle with a loose or worn out bottom bracket it will slow you down and damage your bike.
  3. Replacing a Bottom Bracket – The bottom bracket is a frequent source of squeaks on a bike. These can often be heard as you pedal.


  1. Cleaning a Chain – Cleaning the bike chain frequently prevents wear to the drivetrain, which is expensive to replace.
  2. Adjusting the Chain – A worn chain will be noisy as it turns round the chainrings and is likely to skip when you pedal hard.
  3. Fitting a New Chain – Bike chains regularly wear out but fortunately they are easy to replace.
  4. Replace a Rear Cassette – Your cassette might be worn if you pedal hard and the chain slips.


  1. Remove and Replace Handlebar Grips – Replace your handlebar grips for aesthetic purposes or due to wear and tear.
  2. Adjusting a Threaded Headset – Learn how to inspect and inspect your steering for a threaded headset.
  3. Adjusting a Threadless Headset – Learn how to inspect and inspect your steering for a threadless headset.
  4. Wrapping Handlebar Tape – Handlebar tape gives additional grip while riding and provides comfort.
  5. Replace Road Bike Headset Bearing – Peform this repair if your steering is a little notchy or less smooth as it was.


  1. Front Derailleur Adjustment – If your shifting is poor or the chain is falling off either side as you pedal then you may need to adjust your front derailleur.
  2. Rear Derailleur Adjustment – If your gears are noisy, slow to shift, or change by themselves, perform this repair.
  3. Replace a Gear Cable – If your shifting is feeling sluggish then it can be a good idea to replace the gear cable.


  1. Saddle Adjustment and Maintenance – Many cyclists are not sitting in the correct position, but saddle adjustment is easy to do.


  1. Fork Sag Adjustment – Learn how to adjust your suspension for a balance between a hard and soft setup.

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