Est. 1982

Shimano Dura-Ace SM-BB7900 Hollowtech 70mm BB / Italian

$99.00 $69.99

Shimano Dura Ace BB-7900 Hollowtech 2 Bottom Bracket

Top of the line bottom bracket!  If you're the type that has to have the best of the best on every part of their bike, this is for you.

  • Italian thread
  • Shell width: 70mm
  • Dura Ace silver
  • External bearing
  • Hollowtech 2 Compatible