Roger Ames

Master Tech

REI Portland’s Master Tech Roger Ames has owned and worked at bike shops for decades. He has also taught bike repair in the South Pacific, worked as a sled dog musher and kennel boy, and as a photojournalist and camera repair technician.

Latest Articles

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  Buying Advice

  How to Choose Bike Tires

  Learn about bike tire sizes, tread and valve types, as well as other features to consider when you replace tires on a road or mountain bike.

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  Skills

  How to Use Bike Gears

  Learning about bike gears and shifting will help you understand how your bike works and what changes you can make for more enjoyable riding.

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  Care and Repair

  Intro to Electric Bike Maintenance

  Maintenance tasks on an electric bike and a regular bike are actually quite similar; get tips on e-bike care, including key areas of concern.