Park Tool BBT-35-12 Bottom Bracket Tool - 12-Notch GRAVEL the GP5000 continues to set

the GP5000 continues to set the standard

Paceline X 160/160mm rotors

side-load design—perfect for compact frames

– Requires no additional water or fluid

Park Tool BBT-35-12 Bottom Bracket Tool - 12-Notch GRAVEL the GP5000 continues to setA precision CNC machined aluminum tool for the installation and removal of select threaded bottom brackets with 12 notch tool fittings, including Praxis Works M30. Manufactured in house by Park Tool, anodized for easy identification and featuring a ratchet torque wrench compatible 3 8" drive. Specifications Fits 12 notch threaded bottom bracket tool fittings with a major diameter (outside of notches) of 4850 mm and a minor diameter (inside of notches)