ECHO US BB
ECHO US BB

Fully sealed USA Bottom Bracket to restore your Old/Mid-School build.​

Material-alloy cnc cones, sealed bearing

Size-US bb for 19mm spindle

Color-black

Features-high quality sealed bearings in alloy cnc bearing cups
includes cones & spacers to adjust chain-lines on 68, 73 & 74mm bb shells

Weight-TBA