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High-quality bearings: the BB30 bottom bracket from Truvativ. BB30 named for its required spindle size 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.
Construction: BB30 (42x30 mm)
Housing diameter: 42 mm
Housing Length: 68/73 mm
Bearings: Standard/Ceramic Cartridge Bearings
Compatibility: only for BB30 frames
Features:
- up to 12% lighter than cranksets with standard BB
- larger than standard BB, less wear
- stiffer
Includes:
Truvativ BB30 right bearing
Truvativ BB30 left bearing
2 x dust caps
Spacer and snap ring
Weight: 64 g
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