Profile 19mm Hop-Up American Bottom Bracket Set - Blue Anodized - USA Made 51mm Often imitated but never matched

Often imitated but never matched in quality or durability

Featuring nine super-durable pawls for 108 points of engagement

TNT logo lazer etched

flip flop design to use 13T - 22T freewheel

ERD: 374mm Color: Green anodized

Profile 19mm Hop-Up American Bottom Bracket Set - Blue Anodized - USA Made 51mm Often imitated but never matchedFor frames with American BB shells, this Profile Hop Up Kit offers a finished look while providing cups, sealed bearings, a tube spacer, cone washers, and flat washers. The spacers and cups have an anodized finish. This bottom bracket will fit many popular 19mm cranks such as Profile Race, Redline Flight, Fit, DK Social and most any other 19mm crank. Formerly known as the American Bottom Bracket Kit with Hop Up. Color: Blue Manufacturer's Note: This