Vacuum nitride coating: streamline design and long-lasting color retention. Material: These bike headset spacers are made of TC4 titanium alloy for solid structure. Specification: Height: 3mm; Thread diameter: M6, adopts innovative oblique flat concave convex design, better fit your caliper. Wide application: Bicycle headset spacer suitable for MTB, mountain bike, road bike, etc. Lightweight and easy to install. Package Includes: 4 x Bike Headset Spacers.
