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Not only does the Park Tool BBT-79 Bottom Bracket Tool make bottom bracket installation and removal a breeze, but it'll serve double duty as a toy for your droid-obsessed nephews. BBT-79.
CNC Machined Aluminum
Anodized for Easy Identification
12 Notch 46mm OD Cup
3/8" Drive
Fits 12-Notch External Bearing Bottom Brackets – Fits SRAM® DUB™, Race Face® Cinch™, Rotor® BSA30, Zipp® Vuma™, Hawk Racing™ BB3086™, and more.