Sram BB30 Bearing Assembly For BB30



BB30-named for its required spindle size-narrows Q-factor, increases ankle clearance, and ups bearing durability. Along with a 30 mm spindle, it requires an oversized 68mm or 73mm bottom bracket shell and PressFit bearings held in place by snap rings.

    Spindle 30mm alloy spindle
    Bearings Large
    Feature Highlights
    • Huge weight savings
    • Narrow Q-factor
    • More ankle clearance
    • Greater bearing durability
    • 30mm alloy spindle
    • Larger bearings for longer life
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