PROFILE RACING AMERICAN HOP UP BOTTOM BRACKETProfile Racing American Hop Up Bottom Bracket 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. SS 7 8 bottom brackets will only fit the late 90s, Profile SS cranks. Colors: Silver, Black, Red, Blue, Gold, Green(19mm only), &