Bicycle Drivetrain Rebuild
Replacing the drivetrain on my 27 speed Giant Perigee. Chain, outer and middle chainrings, rear cassette and SM BB-70 bottom bracket. Also some explanation of chain wear, also called chain stretch.
Replacing the drivetrain on my 27 speed Giant Perigee. Chain, outer and middle chainrings, rear cassette and SM BB-70 bottom bracket. Also some explanation of chain wear, also called chain stretch.