Box Three Prime 9 126 Link Chain

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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.


  • 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.