BIKEfun Al7075 Seatpost for Bromptons

$ 170$ 190

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One of the easiest ways to shed some weight off your beloved Brompton, is to change out the stock seatpost.

The BIKEfun aluminium alloy seatpost is both lightweight and rustproof! Made of high-strength aerospace grade 7075 aluminium alloy (and not the more common but weaker 6061 alloy), it has also passed vibration tests to ensure safety.

Lose about 160g immediately, and throw your worries away about a rusty seatpost!


  • Made of aerospace grade 7075 aluminium alloy
  • Passed 100,000 times vibration EN testing
  • Suitable for riders weighing up to 110kg (550mm version) or 100kg (600mm version)
  • Weight: 232g (a whopping 40% lighter than the stock Brompton seatpost of 390g)
  • Available in Black 550mm, Black 600mm, Grey 550mm
  • Notches in the seatpost to mark out your preferred position
  • Made in Taiwan


Inclusive of doorstep delivery (in Singapore only)! Onsite installation can also be arranged.

Acceptable payment modes: cash, credit card (via Paypal), DBS Paylah, or online bank transfer.

SMS/WhatsApp at +65-9820-eight-six-four-two for enquiries, email, or message us at