Miche Primato 107mm JIS bottom bracket
For use with the newer JIS version of the Miche Advanced track crankset.
FYI: This one does not allow chainline adjustment like the older ISO version.
• hardened cro-mo spindle w/ lightweight alloy cups
• 68mm English-threaded
• JIS square-taper
• spindle length: 107mm
• cups install using Park Tool BBT-5
• weight: 275g