The 4th edition of the Big Blue Book of Bicycle Repair is up-to-date with the latest information, procedures, and techniques, covering everything from minor adjustments to complete overhauls.
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 The BBB-4 features clear, step-by-step instructions, high-quality photos and useful charts and graphs to thoroughly explain and demonstrate hundreds of repairs. Written by Calvin Jones, Park Tool's Director of Education and one of the world’s leading authorities on bicycle repair and maintenance, the Big Blue Book is the perfect reference guide for mechanics of any experience level.