Golf Cart Brake Drum Hub Assembly for Yamaha G1-G22 G29 1978-up JU0-G6521-00-00- The brake drum fits Yamaha G1-G22 G29 1978-up Gas & Electric Models golf cart.- Yamaha Brake drum replaces OEM Part# JU0-G6521-00-00, J17-46521-00, J55-G6521-00, J55-G6521-01, JU0-G6521-00, J55-G6521-19-00.- If the brake hub and the half-shaft spline worn out too much, they must be replaced together, just change one type will cause both of them to be damaged quickly.- Heavy Duty High Quality Cast Steel Brake Drums,Well Built and Perfect Fit,Great replacement for your cart;- Package include: 2X Golf Cart Brake Drums.