AMERICAN “HOP UP” BOTTOM BRACKET(19MM & 22MM)
-For use on frames with American BB shells.
-Formerly known as the American Bottom Bracket with Hop Up Kit.
-Gives your Profile crankset that “finished” look.
-Includes cups, sealed bearings, tube spacer, cone washers, and flat washers.
-19mm axle BB-265g/9.27 oz
-22mm axle BB-233g/8.15 oz