RFX Pro Magnetic Drain Bolt (Blue) [M10 x 16mm x 1.25] Fly ratchet closure allows for Fly ratchet closure allows for adjustment 6 lbs VS Yoshimura RS 9T full system weight: 4 25] Yamaha YZ125 05>On YZF250 01>On YZF450 03>On CNC Machined from Aluminum 6061 T6 with a light weight design