Box Four Prime 9 Chain (Natural) (8 Speed) (116 Links)

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While everyone else keeps adding more and more gears, the Box Four Prime 9 Groupset takes a different approach. The engineers at Box decided that sometimes simple is better so they developed a groupset with a wide ratio range over only 8 cogs. The benefit is that fewer gears reduce the chain angle on the low end; making the chainline more direct across the whole range; improving component longevity and power transfer. The Prime 9 chain is compatible with Box Four 8 Speed Wide/Narrow Chainrings.


  • Prime 9 technology
  • Treated Protection
  • Box Four 8 Speed Wide/Narrow Chainring Compatible
  • Durable hardened solid pins

Speeds: 8 speed
Chain Width: TBD
Link Count: 116 Links
Pin Type (Rivet Type): Solid Pins
Closing Link (Connection Type): Quick Link
Weight: 364g
Color: Natural

This product was added to our catalog on November 9, 2020

Box Prime 9 Model Comparison