UPANBIKE Bike Seatpost Shim Sleeve Bicycle Seat Post Tube Adapter For Mountain Bike Road Bike Electric Bicycle(27.2mm to 31.6mm)

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Product description

  • Made of aluminum alloy,light weight but durable.
  • CNC precision machining,good anti-slip performance.
  • Size 27.2mm to 31.6mm(Convert a 27.2mm seat post to fit a 31.6mm seat tube).
  • Please confirm your bike frame seat post outer diameter before ordering(Measure the inside diameter of your old clamp,or measure the outside diameter of your seat tube).

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