Miche Primato 107mm JIS bottom bracket
For use with the newer JIS version of the Miche Advanced track crankset.
• hardened cro-mo spindle w/ lightweight alloy cups
• 68mm English-threaded or 70mm Italian-threaded
• JIS square-taper
• spindle length: 107mm
• cups install using Park Tool FR-5
• weight: 275g
Does not permit chainline adjustment like the older ISO model.