Adjustment Road Bike Carbon Fiber Headset Washer Stem Spacer Bicycle 20 15 10 5 3 2 1 mm 7 Size for

Item: bike carbon fiber spacerMaterial: 3K carbon fiberSize: inner diameter 28.6mm; thickne 3mmHeight: 1mm/2mm/3mm/5mm/10mm/15mm/20mmWeight: 0.6g(1mm)/ 1.1g(2mm)/1.6g(3mm)/ 2.6g(5mm) / 5.3g(10mm)7.9g(15mm)/10.6g(20mm)Fits:28.6mm outer diameter front fork

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