![Mission American Bottom Bracket Hop Up Kit BMX](http://thesecretbmx.com/cdn/shop/products/MissionHopUpAmericanBBKit_{width}x.jpg?v=1659573416)
Designed specifically to work with 3-piece sealed cranks on frames utilizing an American bottom bracket shell.
Includes 2 precision sealed bearings, aluminum cups, high density plastic cone spacers, center tube spacer, sprocket adapter, plenty of adjustment washers, a 19mm 8-spline spindle and 2 spindle bolts.