Park Tool HCW-4 Crank and Bottom Bracket WrenchPark Tool's popular and versatile HCW-4 crank and bottom bracket wrench feature's their proven "Y" head design.
- Adjust your pre-cartridge bottom bracket with this heat treated wrench
- 36mm box end wrench on one side and pin spanner on the other
Park Tool HCW-4 Crank and Bottom Bracket Wrench
- 36mm fixed cup bottom brackets
- Carbon Tool Steel