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  • Box Three Prime9 Groupset, 11-46t
  • Box Three Prime9 Groupset, 11-46t

Box Three Prime9 Groupset, 11-46t

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9 Speed, Multi-Shift Kit. Prime 9 Technology is a counter-intuitive philosophy based on the less is more theory. It embraces range without adding complexity.

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Cassettes are accessible at 11-46T or 11-50T and fashioned with steel spiders. The derailleur exploits our Limited Slip clutch technology without the Tri-pack features. Shift easily with a comparable mechanism, although you'll forgo the hinged clamp and die-cast structure. And lastly, string it all together with a Prime 9 chain but without extravagant coatings. If you're looking to bring your 2/3 by bike into the 21st century, then level up with this group!

  • Our Best All-Rounder Drivetrain
  • For Light / Medium Terrain
  • Install at Home with Some Simple Bike Tools and Our Easy to Follow Video
  • Limited Slip Clutch™
  • Ultra-Wide Ratio with Consistent Progression
  • Compatible with Traditional Derailleur Hangers (Non Direct-Mount)
  • Cassette Compatible with HG Freehub Bodies
  • Prime 9 Technology™


  • Includes Box One Shift Cable & Housing Kit
  • Compatible with most 10,11, & 12-speed wide / narrow chain rings. Prime 9 chain must be used.
  • Not Intended for Ebike Use
  • Call for compatibility concerns 
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