ThreadFit 24 Bottom Bracket

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The ThreadFit 24 bottom bracket is designed and built to be durable, serviceable, and silent. Manufactured to create a precise and functional interface between your frame’s bottom bracket shell and your cranks to ensure that your cranks will spin lightly and without interference. The ThreadFit 24 is designed to fit threaded 68mm, 73mm, 83mm, and 100mm bottom bracket shells. Conversion kits are REQUIRED to fit any of these standards so please make sure to pick a conversion kit from the dropdown menu. Fit Kit #4 24mm: for ThreadFit 24 bottom brackets using 24mm cranksets. Not GXP compatible. Fit Kit #6 GXP: for ThreadFit 24 bottom brackets using GXP cranksets. #4 and #6 compatible with 68mm, 73mm, 73mm SB+, 86.5mm, 92mm, and 92mm SB+ BB shells. Fit Kit Instructions Show more