Material: Woven Carbon Fiber, Sturdy and Durable to Use, Looks very nice, Lightweight
Inner Diametter: 28.6mm (1-1/8 inch), Thickness: 5mm(1pcs), 10mm(1pcs), 15mm(1pcs), 20mm(1pcs). All Sizes Stack Perfectly Together. Lightweight: Set weight approx. 28 grams.
Provide Various Combination to Adjust Height of Handlebars to Fit Your Riding Style
Fit for: Most Bicycle, Mountain Bike, Road Bike, MTB, BMX, Fixie Gear, Cycling
Feature: Carbon Fiber Bicycle Headset Spacer Resistant to Corrosion. More Sturdy, Durable, Lighter than Aluminum Alloy Headset Spacer