This top of the range upper headset comes with a 3 year manufacturing warrantyQuad sealed precision angular contact bearings coupled with double sealed bearing housing, keeps the British climate at bayUtilises flush seal technology to further protect the longevity of the bearingsFully replaceable bearings and full spares back up availableExpanding collar design means once you tighten the headset, it stays tightenedDesigned and tested in the UK for extreme British riding conditions
Key Features:1.1/8"/1.5", 36° × 45° ACB,For 49 - 56mm OD head tube,For 1.1/8" to 1.5" tapered fork,Alloy top cover,Angular Contact Bearing (black seal),Stack height 8.3+0.8=9.1mm,Weight: 72.7 grams.
Key Features:1.1/8", 36°×45° ACB,For tapered 50mm/62mm OD Head Tube,1.1/8" to 1.5" steerer,Alloy top cover,Upper: Forged alloy cup with ACB (blue seal),Lower: 1.5" CNC machined alloy cup with ACB (blue seal),Stack height: 16.9 + 2.9 = 19.8mm,Weight: 129.6g.
Key Features:Outside Diameter: 52.0mm,Inside Diameter: 40.0mm,Height: 7.0mm,Inside Angle: 36°.
Key Features:1.1/8", 36°×45° ACB,For 55 mm OD head tube,For 1.5" sized head tube and 1.1/8" steerer,Alloy top cover,CNC machined alloy cups,Angular Contact Bearing,Stack height: 6.1 + 3 = 9.1 mm,Weight: 140g.
Key Features:Outside Diameter: 41.8mm,Inside Diameter: 32.8mm,Height: 6.0mm,Inside Angle: 45°,Outside Angle: 45°.
Xtreme Pro Headset HalfKey Features:Headset option: Upper or Lower .
Key Features:Outside Diameter: 46.8mm,Inside Diameter: 34.0mm,Height: 7.0mm,Inside Angle: 45°,Outside Angle: 45°.
Key Features:Outside Diameter: 48.9mm,Inside Diameter: 37.0mm,Height: 6.5mm,Inside Angle: 36°,Outside Angle: 45°.
Key Features:1.1/8"/1.5" 36°×45° ACB,For tapered 50/57mm OD head tube,For 1.1/8 to 1.5" tapered fork,Alloy upper cup with forged alloy lower cup,Upper: 36°×45° ACB (Blue seal),Lower: 1.5" angular contact bearing (black seal),Stack height: 16.9+13.4=30.3mm,Weight: 128.6g.
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Key Features:Outside Diameter: 52.0mm,Inside Diameter: 40.0mm,Height: 7.5mm,Inside Angle: 45°,Outside Angle: 45°.