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Brompton seat pillar / post - steel - extended length



This is a extended length steel seatpost for a Brompton folding bicycle. It is 60mm longer than the standard length.

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Extended length Brompton seat post

The extended length Brompton seatpost is designed for the slightly taller rider (as a guide, with an inside leg 33 to 35 inches) - this seatpost gives up to 6cm extra saddle height than the standard Brompton seat pillar.

PLEASE NOTE: The saddle will sit 60mm higher when the bike is in its folded position. This is due to the extra 60mm length on top of the seatpost

Replacing the standard seatpost with this longer one is one of the easiest DIY Brompton jobs, and involves the following steps:

  • Remove the Pentaclip / saddle from the existing seatpost (you can leave the saddle attached to the Pentaclip) using an allen key
  • Release the seatpost clamp
  • Slide the old seatpost out (downwards) of the frame
  • Insert the new seatpost into (upwards) the frame
  • Fix the pentaclip / saddle to the new seatpost (Torque should be 15Nm for the Pentaclip)

Chrome silver finish
31.8mm diameter

Remember! Never lubricate your Brompton seatpost

Brompton Q part code: QSP6P
Brompton part number: 9037056 

We made this short video on how to remove and re-install (and clean) a seatpost on your Brompton folding bike

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Data sheet

Comm Code87149990