A double-sided B.B. Socket born out of the increasing popularity of 30 mm crank spindles.

Made from CNC machined 7075 aluminium it’s durable and provides very precise engagement with all the notches of the bottom bracket so won’t chew up the bottom bracket.

Compatible with Rotor® BSA 30, SRAM® DUB BSA (axle Ø28.99 mm), RaceFace® Cinch, Zipp® Vuma, Hawk Racing® BB3086 or other 12-notch Ø46.5 mm external bearing bottom bracket cups.

Compatible with FSA® EVO 386 / 392 or other 16-notch Ø48.5 mm external bearing bottom bracket cups.


½" Dr.


CNC machined 7075-T6 aluminium

Other Products In The Range
  • Check with bottom bracket manufacturer for specific torque value settings.
  • All tools should be stored in a dry environment.