19mm MCS Bicycles Euro BMX Bottom Bracket Set - Silver 39t The pins have been hardened

The pins have been hardened for increased strength

Hub shell is manufactured from high quality quality aluminum

a smooth centerline for minimal rolling resistance and a folding bead for maximum weight savings

Spindle: 9/16"Color: Gold / Silver

19mm MCS Bicycles Euro BMX Bottom Bracket Set - Silver 39t The pins have been hardenedThe MCS Bicycles Euro bottom bracket (spacers and bearings) is intended for use with 19mm crank spindles (not included) and threaded Euro bottom bracket frames. It has a high quality four bearing design with aluminum cups. The cups, tube spacer, and 4 washers have an anodized finish. Shell: Euro Size: 19mm Color: Silver