Brompton seat post sleeve
The Brompton seat sleeve sits inside the frame allows the seatpost to slide up and down smoothly
This is a replacement seat post sleeve with locating key
If your seat post starts to slip - rather than keep tightening the seat post release bolt (which can ultimately result in frame damage if over-tightened) it may be that the seat post sleeve needs replacing
It will wear over time due to the friction of the seat post going up and down - originally it needed to be replaced by a Brompton dealer as a reaming tool should be used to remove the old seat post sleeve
CompatibilityThis Brompton seat post sleeve is compatible with the following Brompton models:
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It is NOT compatible with:
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Note: This should be held in place with rubberised superglue
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Prior to 2025 two sleeves were provided:
Since 2025 the one without the locating extrusion is no longer provided as it is used on Brompton's from before 2001 So if you own a very old Brompton - you will simply need to file the off the locating extrusion to remove it |
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Please Note: It is recommended that the Brompton Seat post sleeve is fitted by a Brompton dealer, as special tools are needed We can fit it for you in our Sunningdale shop (Labour charges will apply) |
Brompton Q part code: QSTSLV-UR
Brompton part number: 9040377
Brompton Q code: Q102103