Titanium Alloy Bicycle 4pcs Headset Stem Spacers Washer Kit 28.6*5/10/15/20mm
Specifications
Meterial:GR9 titanium alloy
Weight :about 3g / 6g / 10g / 11g
Size:ID 28.6m
m(1 1/8")
Height:5mm/10mm/15mm/20mm