Birzman B.B. Socket Tools

DESCRIPTION

Compatible with Shimano® Hollowtech II™ or other 16-notch Ø44mm external bearing bottom bracket cups and 16 notch rotor disc lockrings (incl. E-Thru axle hubs).

  Available Models:

  • B.B. Socket (Hollowtech II)
  • B.B. Socket (BSA30 / 386)
  • B.B. Socket (Shimano Cartridge)

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