The Box Three chain is polished and then chemically treated to achieve corrosion resistance. All Prime 9 chains have chamfered shifting edges, solid plates and solid pins to safeguard durability. Unique inner link spacing is engineered to grab those modern wide/narrow chainrings.

FEATURES

• Durable Hardened Solid Pin
• Prime 9 Technology
• Compatible with Modern Wide/Narrow Chainrings
• Compatible with BMX 3/32″ Chainrings and Cogs
• Compatible with most 10,11, & 12-speed wide / narrow chain rings.