Best Choice 40 IS44/IS56 Tapered Headset

• Top Type: ZS – ZeroStack
• Top Head Tube Inside Dia.: 44.00mm
• Stem Clamp Dia.: 28.6mm
• Top Stack Height: 8mm
• Top Bearing Type: Black Oxide, Sealed
• Bottom Type: ZS – ZeroStack
• Bottom Head Tube Inside Dia.: 55.95mm
• Crown Race Seat Dia.: 39.79mm
• Crown Race Type: Steel, Face-Sealed
• Bottom Stack Height: 4mm
• Bottom Bearing Type: Black Oxide, Sealed
• Material: 6061 aluminum
• Weight: 109g

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