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Shimano SG-S505 Alfine Di2 Internal 8 Speed Hub Gear

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Product description

  • Internal geared Hub for Di2 electronic specification
  • Wider gear ratio with lighter weight
  • Gear ratio: 306%
  • Silent clutch
  • Gear change support mechanism
  • Longer durability by oil lubricant
  • Weight: 1,680g

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