Features: Enhances your mountain biking experience with bike brake caliper fixed bolts, designs for superior strength and durability in extreme cycling conditions. Features a unique inclined plane designs, these spacers offer improved stability compared to traditional designs, ensuring safety for your brake calipers. Perfect for competitive race, challenging mountain trail, and regular bike maintenance, these spacers provide great braking performances and system stability. Craft from light weight alloys, these spacers not only reduce overall bike weight but also boast excellent corrosion resistance, making them suitable for almost weather conditions. Ideal for mountain biking enthusiasts, professional racers, and bicycles repair technicians seek high performances, reliable component for their bikes. Specifications: Materials: Alloys Color Optional: 3 Color is Available as Shown in the Picture. Package Weight: approx.10g Size: As The Picture Shows Package Includes: 4Pcs Disc Brake Washer note: Please allow 1-2cm error due to manual measurement. Please make surer you not mind before your bid. Due to the differences between different monitors, the picture may not reflect the actual color to the item. Thanks!