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Crank and Bottom Bracket Tools
Park Tool Hollowtech-II BB Cup/Arm Tool
Margin Booster
  • Fits Shimano Hollowtech-II and other manufacturers' Hollowtech-II compatible external bottom bracket bearing cups
  • One end engages the 16 external bearing-cup notches while the other end engages the 8 internal splines of the crank arm fixing bolt
  • Laser-cut steel construction. Vinyl coated handle for comfort
 
item # description compatibility in stock?
  PK5809 Hollowtech-II BB cup/arm tool, BBT-9 Shimano Hollowtech II YES