FSA: Duron X Threadless 1

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* 1" 36¦Î36¦ ACB * 1" Steerer. * Alloy sealed lock nut. * Forged and CNC machined alloy cups. * Angular Contact Bearing (Black seal). * Stack Height: 27.5 + 13.1 = 40.6mm. * Weight: 93.8g