The Sugino SG75 Super Ceramic is the smoothest bottom bracket. It features mirror polish bottom bracket cups (indentical from the Sugino 75 super lap bb) and silky smooth ceramic bearings. This combo will have you spinning effortlessly for days!
BB-SG75 SUPER CERAMIC
Type : 4-TAPER(ISO)
Cup Thread : BC 1.37x24T
BB Width : 68mm
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