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Seat Sleeve


Our 27.2mm/31.6mm sleeve is perfect for bamboo frame building. Narrow enough to fit inside bamboo which will be compatible with a front derailleur. You can also use a dropper post or any standard 27.2mm seat posts. Knurled for longevity as without it can easily debond.

  • 27.2mm/31.6mm internal seatube
  • 30mm outside diameter
  • Requires a 30mm seat clamp
  • A tolerance of +0.25 mm (.010″) – 0.5 mm (.020″)
  • Knurled to improve bonding.
  • 130mm in length
  • Made from 7005-T6 aluminium tubing
  • Manufactured in the UK
We ship twice a week and aim to have your kit to you within 5 working days.

Brexit - We ship 80% of our kits international. All customers in the EU will have UK sales tax (20%) removed at checkout. On import you will be charged your local sales tax by our courier.

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