Park Tool - HCW-5 Bottom Bracket Lockring Spanner Stock Item:Default Title Integrated light sensor auto-adjusts brightness

Integrated light sensor auto-adjusts brightness to your environment

Saint BR-M800

Avoid loosing valuable time by stopping cramp in its tracks

Reinforced carbon fiber mast

This makes it a smart

Park Tool - HCW-5 Bottom Bracket Lockring Spanner Stock Item:Default Title Integrated light sensor auto-adjusts brightnessPARK TOOL HCW 5 BOTTOM BRACKET LOCKRING SPANNER Double sided bottom bracket lockring hook spanner. One side is a single hook, the other is a hook spanner with 3 notches for better engagement in the lockrings. The three hook end will fit 3 notch lockrings with a maximum outside diameter of 46mm, and a minor diameter (in the notches) of 40mm.