Brand new with high quality Material: TC4 Titanium Alloy Color: Colorful, Gold, Black,Titanium (optional) Jack Up about 5.2mm/0.2'' Diameter: Approx. 1cm/0.4'' Weight: Approx. 17g Quantity:2pairs Features: 1. This Brake Caliper Fixed Stud Seal Spacer is exquisite with mini-design. 2. Qualified material ensures a solid structure. 3. Vacuum nitride coating, flowing light and color lasts long. 4. The innovative slanting concave convex design, compared to the traditional spherical design, fits better with your brake caliper. 5. The structure is more stable, the attachment force is greater, in the high intensity, the cross-country riding process is particularly obvious. Package include: 2pairs Bicycle Brake Caliper Gaskets Notice: 1.1cm=10mm=0.39inch. 2.Please allow 1-2mm error due to manual measurement and make sure you do not mind before ordering. 3.Please understand that colors may exist chromatic aberration as the different placement of pictures.