XB2 Stainless Steel Battery Weight • Stainless steel material • 50g weight • Lower CG • Improves landing • Easier to drive • More forgiving handling • Inserted under battery directly on chassis Specially-designed 50g stainless steel weight for placement beneath battery directly on chassis to add weight as low as possible. Makes the car easier to drive, improves landing, and makes the care more “forgiving.” A must-have option part. #326180 Stainless Steel Battery Weight 50g