Park Tool BBT-19.2 Bottom Bracket Tool — 16-Notch 44 mm OD Steel space-saving bike storage along a

space-saving bike storage along a wall

multi-density chamois pad for exceptional comfort and support

easy rolling and power transmission

Stainless Steel Hardware

Recommended for use in cool conditions

Park Tool BBT-19.2 Bottom Bracket Tool — 16-Notch 44 mm OD Steel space-saving bike storage along aBottom brackets occasionally require removal for service, replacement, or upgrading. The Park Tool BBT 19. 2 is compatible with some bottom brackets that feature a 16 notch tool fitting, including most Shimano models with outboard bearings. Constructed from high precision hardened chromoly steel, and can be driven using a wrench, socket, or 3 8" drive wrench.