Introducing the mate to our beautiful stem caps, the Wolf Tooth headset spacers are precision machined in our Minneapolis workshop. They come in your favorite anodized color options and in a kit containing 3mm, 5mm, 10mm, and 15mm lengths. The 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. Each kit contains 1 each of colour-matched 3mm, 5mm, 10mm, and 15mm spacers. COMPATIBILITY 1 1/8" top (straight 1 1/8" or 1 1/2" to 1 1/8" taper) steerer tubes only SPECIFICATIONS Weight: 3mm • 2g | 5mm • 3g | 10mm • 5g | 15mm • 7g Material: 6061-T6 aluminum Included: Black aluminum bolt Made in the USA The Story Wolf Tooth was founded to design and manufacture precision cycling products that emphasize function, performance, and reliability to meet the needs of our fellow racers and riders. We are a group of cyclists in Minneapolis, Minnesota that spend a lot of time talking about bike components. Like most detail-obsessed riders, we're always looking for new products that could make our bikes lighter, faster, more versatile, or more reliable. We pride ourselves on delivering premium products of the highest quality.