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The Box Two™ Square Taper Chromoly Bottom Brackets is the best option for young BMX racers and other users of three-piece cranks in search of an affordable, high-performance square taper bottom bracket. Each bottom bracket is hand-assembled with a Chromoly spindle, sealed bearings, forged and CNC-machined alloy cups, and a composite center spacer/seal. Spindle Type: JIS Spindle Material: Chromoly Spindle Length: 108mm Shell Width: 68mm Thread: 1.37" x 24 TPI
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🇺🇸 Ship from USA · On Agora since 2026
$49.99