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Direct mount spiderless retainer ring to fit Bosch Motor E-Bikes

  • Direct mount retainer ring designed specifically for our Bosch Motor E-Bikes
  • Saves weight without need for a separate spider
  • The narrow/wide chainring is designed to retain the chain without the need of a chain device
  • Quieter drivetrain and less drag
  • CNC machined 7075-T6 aluminium provides the perfect blend of lightweight and strength
  • Compatible with 9, 10, 11 and 12 speed set-ups
  • Hard anodised finish makes them ultra durable and increases longevity

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