Box One Linear Brake Cable Kits are among the most advanced BMX brake cables on the market. The custom Concentric housing includes aramid fiber-wrapped aluminum/steel linear wires for the best combination of strength and low weight. The inner Nano Cable wires are treated with a PTFE coating that reduces friction and boosts braking performance. Our anodized aluminum Kollars™ ferrules further reduce cable drag. Each cable kit includes 79 inches of Concentric Linear housing, a black PTFE-coated Nano Cable, four alloy Kollars™ ferrules and one color-matched and one black alloy cable end caps. Available in chrome, 14K gold, red, blue and black with alloy Kollars ferrules and end caps.