- Internal cup diameter: 41.4mm
- With 20mm alloy top cup
- Bearing diameter: 39.0 x 6.5mm x 45 degrees
- Semi-integrated headset
- Combination of lightweight 6061 T6 alloy and stainless steel
- Sealed cartridge bearings, maintenance-free
- BBB RoundHead included
- For 1.1/8" front forks
- Top cup diameter: 28.6mm
- Fork crown diameter: 30.0mm
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