Profile Retro 19mm American Bottom Bracket Set - Silver - USA Made Blue It utilizes MPC - a

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

The set includes crank arms

MCS BMX Pro Cassette hubs are 36-hole

The micro-knobs provide a perfect balance of surface area

Color: Silver & Black

Profile Retro 19mm American Bottom Bracket Set - Silver - USA Made Blue It utilizes MPC - aThe Profile Retro Bottom Bracket comes with flat cups, sealed bearings, tube spacer and aluminum spacer washers. These are the original styled American BB cups, perfect for your vintage restoration. It will fit 19mm Profile cranks to give you an old school look. This bottom bracket is a 19mm and fits American frames. Color: Silver