Adapter conversion kits for front and rear boost hub

Original hub size for front: 15×100mm converts to 15×110mm
Original hub size for rear: 12×142mm converts to 12×148mm

Accessory parts 5mm adapter plate, 1pc
  5mm adapter washer, 2pcs
  3mm adapter plate, 1pc
  3mm adapter washer, 2pcs
  M5×15mm adapter bolt, 12pcs
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