Date: 10/15/2009 Views: 4486
Album: <-- Bicycling Magazine 03-1975 --> Knowing Your Drivetrain - Part 1 - Freewheels, Chainwheels, Derailleurs
Album: <-- Bicycling Magazine 04-1975 --> Knowing Your Drivetrain - Part 2 - Choosing Gears That Suit You