The Wolf Tooth Precision Headset Spacers 5 Pack prove that details matter when tricking out your bike, don't stack spacers – buy the right size instead!  The  Wolf Tooth Precision Headset Spacers 5 Pack have been precision machined in Minneapolis. They come in your favorite anodized colour options and in the lengths of 3mm, 5mm, 10mm, 15mm so you don't have to stack spacers anymore. Length is laser marked on the end so you don't have to guess. Available in a rainbow of colors these are the perfect way to customize your ride. Wolf Tooth Precision Headset Spacers 5 Pack Compatibility 1 1/8 top (straight 1 1/8 or 1 1/2 to 1 1/8 taper) steerer tubes only Available in a variety of colours Wolf Tooth Precision Headset Spacers 5 Pack Specifications Weight: 3mm - 2g, 5mm - 3g, 10mm - 5g, 15mm - 7g  Material: 6061-T6 Aluminum Made in the USA