PLATT 10 Pieces Bike Headset Spacer Full Carbon Fiber Bicycle Stem Fit 1 1/8 Inch Compatible with MTB Road Bikes,Matte

【MATERIAL】Made of full carbon fiber,Super Lightweight,Good Strength,Resistant to Corrosion, never rusts,A good replacement for your Aluminum alloy bike headset spacers. 【MULTI-SIZE】Multi-size for you to adjust the appropriate height,Small size of spacer headset let you have a more precise height adjustment 【USE】Use for 1-1/8" (28.6mm) front stem fork.Ultra Precision Diamond Blade Machine Cut, Fit All Road /Mountain Bikes 【PACKAGE INCLUDED】2mm*2,3mm*2,5mm*2,10mm*2,15mm,20mm (10 Pcs)