•Solid axle for XB2 •Super lightweight •Maximum performance for stock class •Long life •SWISS Aluminum 7075 T6 rough Coated Solid axle set contains lightweight axle shaft with 20T pulley, disk provider, spur gear and hardware. Axle human body is made of aluminum SWISS Aluminum 7075 T6 Hard Coated product and has now been strategically machined lighter than standard solid axle shaft. Specially hand-ground for optimum accuracy and smooth operation, also heat treated and black colored coated to make certain long life and maximum performance. Made for stock course to lessen maximum rotation mass and eradicate slipper effect. Super lightweight adapter to get rid of excess weight. Fits: XB2\'20-21, XT2\'21