The ultimate book about bike-repairing in the fourth edition.

The book is written by C.Calvin Jones, and is just perfect as a present for the bike-enthusiast.

The cover of the book is of course with the well-known ParkTool Blue Color.

The book is updated with the following:

1x 12 speed

Tubeless tires

Electronic gears

New wheel building concept

Updated headset and crank bearing standards.

Updated torque specifications

Updated troubleshooting tables