XB4 solid axle – slipper eliminator is wonderful for stock program battle as it allows you to reduce maximum rotation mass and eliminates slipper impact. Really actually helps you to increase acceleration additionally reduce fat of drivetrain. The XB4 solid axle – slipper eliminator set contains lightweight shaft with easy and quick modification outdrive system. Set includes 72 spur gear which will be an excellent match for stock course. Option 69 spur gear can be had for fine gearing modification.