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