Avian Sealed BB86 Bottom Bracket euro-19mm-22mm 10mm (3/8") alloy drop-out

10mm (3/8") alloy drop-out

6061 hub body with 2 sealed bearings

Promax and other grips manufactured by Velo)

1 1/2" - 1 1/8" Upper with 1 1/2 Lower

Avian Sealed BB86 Bottom Bracket euro-19mm-22mm 10mm (3/8") alloy drop-outCompatible on high end frames by manufactures such as Speedco, Haro, Redline, & Chase (carbon), the Avian Sealed BB86 Bottom Bracket is a simple, yet noticeable upgrade over your older bracket. Installation is quick and easy, with no spacers required. And with 10mm of bearing surface contact with the shell, the days of creaky, rickety will be long behind you. Designed for cranks with 24mm spindle SPECIFICATIONS Composite Cups Compatible with 24mm