The Box Two Prime 9 chain is built with Prime 9 technology for exceptional durability and performance. Designed to be fully compatible with wide/narrow chainrings, it features hardened solid pins for long-lasting strength. The chain includes a nickel-plated connecting link and is nickel-plated overall for enhanced corrosion resistance. Available in extra-long lengths for long wheelbase and cargo bikes, it also comes in a version with extended performance treatment (XPT) for added protection. With a salt spray life of 650 hours, the Box Two chain delivers reliable performance in demanding conditions.
Prime 9 Technology
• Our Most Durable Chain
• Wide/Narrow Chainring Compatible
• Durable Hardened Solid Pins
• Includes Nickel Connecting Link
• Nickel Plated Protection
