American BB Hop Up Kit

PRODUCT RUNDOWN Includes two precision sealed bearings, aluminum cups, cone spacers, center tube spacer, sprocket adapter, adjustment washers, 19mm 8-spline spindle, and spindle bolts. This is a great way to upgrade your unsealed American bottom bracket to sealed bearings! PRODUCT SPECIFICATIONS TYPE: American BEARINGS: 2 x Sealed Bearings INCLUDES: BB Kit and Spindle WEIGHT: 21.5oz