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University Parking & Transportation Services

ABC Quick Check for Bicycles

Courtesy of Kentucky Bicycle and Bikeways Commission

Bike Helmet - UofL Grad Student Marcy WernerA is for air

  • Inflate tires to rated pressure as listed on the sidewall of the tire.
  • Use a pressure gauge to insure proper pressure.
  • Check for damage to tire tread and sidewall; replace if damaged.

B is for brakes

  • Inspect pads for wear; replace is there is less than ¼" of pad left.
  • Check pad adjustment; make sure they do not rub tire or dive into spokes.
  • Check brake level travel; at least 1" between bar and lever when applied.

C is for cranks, chain and cassette

  • Make sure that your crank bolts are tight; lube the threads only, nothing else.
  • Check your chain for wear; 12 links should measure no more than 12 1/8 inches.
  • If your chain skips on your cassette, you might need a new one or just an adjustment.

Quick is for quick releases

  • Hubs need to be tight in the frame; your quick release should engage at 90°.
  • Your hub quick release should point back to insure that nothing catches on it.
  • Inspect brake quick releases to insure that they have been re-engaged.

Check is for check it over

  • Take a quick ride to check if derailleurs and brakes are working properly.
  • Inspect the bike for loose or broken parts; tighten, replace or fix them.
  • Pay extra attention to your bike during the first few miles of the ride.