
SHIMANO SQUARE TAPER BB-UN72 73x107 Features
Cup type/size: English threaded...1.37" cups x 24 threads per inch (tpi)
Shell width: 73 mm
Spindle/axle type: JIS square-tapered
Spindle/axle length: 107 mm

Cup type/size: English threaded...1.37" cups x 24 threads per inch (tpi)
Shell width: 73 mm
Spindle/axle type: JIS square-tapered
Spindle/axle length: 107 mm