American Bottom Bracket f/ One Piece Crank - 28tpi - for Schwinn / Mongoose - Silver 45t Made in the USA

Made in the USA

It includes black steel upper and lower plates

It utilizes MPC - a durable long life compound that is designed to be functional on all terrain types

These will work with single speed thread-on freewheels that are 13t and larger

The Tioga Surefoot Slim nylon platform pedal features an ultra durable engineering-grade plastic body and a low-profile platform with wide

American Bottom Bracket f/ One Piece Crank - 28tpi - for Schwinn / Mongoose - Silver 45t Made in the USAThis BB is designed to be used with old school 1 piece cranks that have a 28 tpi and frames that have a classic American shell. This will only fit 28 tpi cranks like old Schwinn, Mongoose one piece cranks and early Redline Flight cranks. Color: Silver