The SRAM Pressfit 30 to BSA Bottom Bracket Adapter allows you to install a standard external bearing into a BB30 or PF30 frame. This adapter works by allowing you to thread your BSA BB into the adapter, then simply press the adapter cups into the frame, GXP cranks on a BB30 or PF30 frame. Key Features: - The Bottom Bracket Adapter allows you to install a standard external bearing into a BB30 or PresFit 30 frame.- This adapter works by allowing you to thread your BSA BB into the adapter- Then simply press the adapter cups into the frame, GXP cranks on a BB30 or PressFit 30 frame.

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