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BOX REAR TWO PRIME 9 9s X-WIDE BLACK

BOX COMPONENTS
BOX REAR TWO PRIME 9 9s X-WIDE BLACK
$141.99
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  • Prime 9 Technology is a counter-intuitive philosophy based on the less is more theory - it embraces range without adding complexity
  • Intended for use with Box Components` Prime 9 speed group, not compatible with other 11-50 cassettes
  • Same functions as the Box One Prime 9 derailleur with more affordable materials
  • Glass fiber/nylon composite, steel, aluminum alloy
  • Tri-Pack limited slip clutch
  • Forged inner and outer cage
  • Pivot-Tech cable stay
  • Precision sealed bushing pulleys