Miche Primato 107mm JIS bottom bracket
For use with the newer JIS version of the Miche Advanced track crankset.
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