100% Guarantee 110 IS52 Conversion Headset Bottom

• Bottom Type: IS – Integrated
• Bottom Head Tube Inside Dia.: 52.1mm
• Crown Race Seat Dia.: 30.015mm
• Crown Race Type: Aluminum, Dual-Seal
• Bottom Stack Height: 1mm
• Bottom Bearing Type: Top-quality, sealed stainless steel bearings
• Weight: 45.25g

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