BB30 is named for its required spindle size that cuts weight by up to 100 grams, narrows Q-factor, increases ankle clearance, and ups bearing durability. It's a fairly new standard involving different frame requirements and crank design. Along with a 30 mm spindle, it requires an oversized 68 mm or 73 mm bottom bracket shell and press fit bearings held in place by snap rings.

Features:

• Cuts weight by up to 100 grams
• Narrows Q-factor
• Increases ankle clearance
• Ups bearing durability
• Requires an oversized 68 mm or 73 mm bottom bracket shell
• Bearings are housed in nylon cups which will be pressed into the frames bottom bracket shell
• This bottom bracket is designed for 30mm spindle cranksets

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