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permanent tube repairs
Wave pattern for a soft
Engineered for performance
light and fast for Giant enduro pros
or charging downhill
Park Tool BBT-9 BB Tool accessory permanent tube repairsThe Park Tool BBT 9 is a precision bottom bracket tool designed for easy removal and installation of Shimano Hollowtech II and similar external bearing bottom brackets. Built tough for workshop or trail use, it provides a secure fit and great leverage. KEY FEATURES: Fits Shimano Hollowtech II and SRAM GXP external bearing bottom brackets Durable, heat treated tool steel construction 16 notch design ensures a precise grip on bottom bracket cups