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. 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. BBB-4 FEATURES New information and topics included in the BBB 4th edition: - 12-speed and 1x drivetrains - Tubeless tires - Disc brakes - Electronic shifting - New wheel building content - Updated headset and bottom bracket standards - Updated torque specifications - Updated troubleshooting tables