FSA Aluminum Headset Spacer 1.5" x 10mm - Black Machined Stem Height Adjustment, Lightweight Cycling Bike Components

["machined aluminum construction ensures durability and lightweight performance for reliable bike handling.","Precision-engineered spacers allow for fine-tuning stem height, optimizing rider comfort and steering response on every ride.","Designed for 1.5\" S.H.I.S. stem clamp diameter, these black spacers feature a sleek, minimalist aesthetic with white FSA branding for a professional look.","Includes a versatile kit with multiple thickness options (3mm, 5mm, 10mm, and 20mm) to customize your cockpit setup and improve bike fit.","Ideal for aftermarket upgrades or bike builds, these spacers combine performance engineering with style, enhancing both function and appearance of your bike."]