Top Selling 40 EC44 Conversion Headset Bottom

• Bottom Type: EC – External Cup
• Bottom Head Tube Inside Dia.: 44.00mm
• Crown Race Seat Dia.: 39.79mm
• Crown Race Type: Steel, Face-Sealed
• Bottom Stack Height: 12mm
• Bottom Bearing Type: Black Oxide, Sealed
• Material: 6061 aluminum
• Weight: 65g

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