ID Seat seatpost shim 30.9mm - 27.2mm, 90mm long

Product Code: 30309/SPIDS309K

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  • Regular price £8.99
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Seatpost Shim

These useful Long (90mm) precision CNC machined alloy shims allow the use of a smaller diameter seat post inside a larger diameter seat tube on a frame.

The XL length of 100mm provides additional support to the seat post and frame compared to a short shim.  


  • Material CNC Alloy
  • Size 30.9-27.2 or 30.4-27.2
  • Length 90mm
  • Colour Black

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