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Mountain bike seat post

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Mountain bike seat post for sale on largest auction and classifieds sites

Home / Bike Components / Mountain bike seat post refurbished & used for sale | For Sale UK
Aluminium bicycle seatpost - aluminium,

Aluminium bicycle seatpost - aluminium,

£9.99
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Bicycle bike seat post - bike,

Bicycle bike seat post - bike,

£5.80
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Cannondale aluminium seatpost - cannondale,

Cannondale aluminium seatpost - cannondale,

£14.50
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Promax alloy seat post stem - alloy,

Promax alloy seat post stem - alloy,

£13.95
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New bicycle seat - bicycle,

New bicycle seat - bicycle,

£6.00
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Aluminium bicycle seatpost - aluminium,

Aluminium bicycle seatpost - aluminium,

£9.99
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450mm length bicycle - 450mm, seat

450mm length bicycle - 450mm, seat

£7.45
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Aluminum alloy bicycle seat - alloy,

Aluminum alloy bicycle seat - alloy,

£6.35
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Mountain bike seat post - bike,

Mountain bike seat post - bike,

£8.39
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Mtb bicycle seatpost - mtb,

Mtb bicycle seatpost - mtb,

£10.32
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One dropper post 31 6mm - up,

One dropper post 31 6mm - up,

£78.70
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Alloy seat post - stem, seatpost

Alloy seat post - stem, seatpost

£7.59
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Wave black mountain bike - black,

Wave black mountain bike - black,

£17.85
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Cannondale aluminium - c3,

Cannondale aluminium - c3,

£12.00
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Meroca mountain bike seatpost - mountain,

Meroca mountain bike seatpost - mountain,

£39.99
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System 4mm 400mm - 29.4mm,

System 4mm 400mm - 29.4mm,

£14.99
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Bicycle bike seat - bike,

Bicycle bike seat - bike,

£9.19
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350 450mm bicycle seatpost - 350/450mm,

350 450mm bicycle seatpost - 350/450mm,

£6.62
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Mtb seatpost mountain bike - mtb,

Mtb seatpost mountain bike - mtb,

£14.24
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Meroca mountain bike seatpost - mountain,

Meroca mountain bike seatpost - mountain,

£42.99
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Alloy seat post stem - post, seatpost

Alloy seat post stem - post, seatpost

£8.79
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Aluminum bike seat - aluminum, stem

Aluminum bike seat - aluminum, stem

£9.99
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Bicycle bike seat post - post, mtb

Bicycle bike seat post - post, mtb

£8.45
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Bikeyoke revive max 0 - bikeyoke,

Bikeyoke revive max 0 - bikeyoke,

£182.70
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Extra long 400mm - long,

Extra long 400mm - long,

£13.95
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Zoom adjustable suspension - adjustable,

Zoom adjustable suspension - adjustable,

£19.85
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Bicycle seat post alloy - bicycle,

Bicycle seat post alloy - bicycle,

£10.99
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Mountain road bicycle seatpost - mountain,

Mountain road bicycle seatpost - mountain,

£12.31
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Seekrun wireless dropper - s8,

Seekrun wireless dropper - s8,

£239.90
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Suntour sp12 ncx - ncx, suspension

Suntour sp12 ncx - ncx, suspension

£74.50
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Wave bicycle suspension - bicycle,

Wave bicycle suspension - bicycle,

£15.85
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Promax aluminium suspension - aluminium,

Promax aluminium suspension - aluminium,

£17.85
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Xxxx long 400mm promax - ,

Xxxx long 400mm promax - ,

£14.95
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350mm length mtb - mtb, seat

350mm length mtb - mtb, seat

£6.85
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Wave seat post alloy black - seat,

Wave seat post alloy black - seat,

£10.19
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Aluminum alloy bicycle - aluminum,

Aluminum alloy bicycle - aluminum,

£7.70
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Aluminum seat post stem - aluminum,

Aluminum seat post stem - aluminum,

£9.99
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Marin seat post mountain - mountain, bike

Marin seat post mountain - mountain, bike

£4.37
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Mtb seatpost alloy bicycle - mtb,

Mtb seatpost alloy bicycle - mtb,

£12.59
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31 6mm aluminum - 27.2/30/8/31.6mm,

31 6mm aluminum - 27.2/30/8/31.6mm,

£13.83
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Mountain bike seat post long - bike, x

Mountain bike seat post long - bike, x

£14.95
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Alloy seat post mountain - seat,

Alloy seat post mountain - seat,

£16.31
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Bicycle saddle suspension - bicycle,

Bicycle saddle suspension - bicycle,

£13.95
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Meroca mtb dropper - mtb,

Meroca mtb dropper - mtb,

£32.99
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Metal alloy cycling bike seat - alloy,

Metal alloy cycling bike seat - alloy,

£6.75
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Bicycle seat post - post, saddle

Bicycle seat post - post, saddle

£10.15
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25.4mm super long 400mm seat

25.4mm super long 400mm seat

£10.95
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Aluminium bicycle seatpost - aluminium,

Aluminium bicycle seatpost - aluminium,

£8.36
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6 31 6mm - 25.4/27.2/28.6/31.6mm, bicycle

6 31 6mm - 25.4/27.2/28.6/31.6mm, bicycle

£7.28
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Aluminium bike seat post - seat,

Aluminium bike seat post - seat,

£12.99
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9mm 6mm aluminum alloy - aluminum,

9mm 6mm aluminum alloy - aluminum,

£9.99
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1pc bicycle seat - 1pc, post

1pc bicycle seat - 1pc, post

£5.89
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Bicycle bike seat post mtb - seat,

Bicycle bike seat post mtb - seat,

£8.97
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Mtb bicycle seatpost aluminium - seatpost,

Mtb bicycle seatpost aluminium - seatpost,

£10.92
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Bike seat post - seat,

Bike seat post - seat,

£9.89
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Bike seat post - , rubber

Bike seat post - , rubber

£2.99
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2026 aluminum alloy seatpost - aluminum,

2026 aluminum alloy seatpost - aluminum,

£9.99
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400mm super long - 400mm, steel

400mm super long - 400mm, steel

£10.95
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Mountain bike 6mm seat - cp,

Mountain bike 6mm seat - cp,

£3.99
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Bike seat post - , ring

Bike seat post - , ring

£2.19
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Bicycle seat post - seat, tube

Bicycle seat post - seat, tube

£7.99
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28 6mm bicycle - 25.4/27.2/28.6mm,

28 6mm bicycle - 25.4/27.2/28.6mm,

£9.59
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350mm length bicycle seat post - 350mm,

350mm length bicycle seat post - 350mm,

£6.73
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Special short 27 2mm - special, 27.2mm

Special short 27 2mm - special, 27.2mm

£4.99
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Mtb road mountain bike seat - mtb,

Mtb road mountain bike seat - mtb,

£8.69
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31 6mm seatpost - 27.2/30/8/31.6mm,

31 6mm seatpost - 27.2/30/8/31.6mm,

£5.99
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2mm polished alloy long - 27.2mm,

2mm polished alloy long - 27.2mm,

£8.99
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Kranx bike seat post offset - seat,

Kranx bike seat post offset - seat,

£20.70
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New bicycle seat - seat, 27.2

New bicycle seat - seat, 27.2

£6.30
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Bynccea alloy seat - seat, 400mm

Bynccea alloy seat - seat, 400mm

£9.19
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31 6mm bike - 27.2/30.8/31.6mm,

31 6mm bike - 27.2/30.8/31.6mm,

£14.99
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Bike seat post rubber - , ring

Bike seat post rubber - , ring

£2.99
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450mm length bicycle seat - seat, post

450mm length bicycle seat - seat, post

£6.15
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Seat post saddle suspension - seat,

Seat post saddle suspension - seat,

£9.99
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28 6mm bicycle - 25.4/27.2/28.6mm,

28 6mm bicycle - 25.4/27.2/28.6mm,

£13.71
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Fmfxtr mountain bike - bike, seat

Fmfxtr mountain bike - bike, seat

£16.26
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Nice quality road cycle - nice,

Nice quality road cycle - nice,

£12.00
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Kranx alloy 4mm - kranx, 350mm

Kranx alloy 4mm - kranx, 350mm

£6.52
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Trans dropper post lever - trans-x,

Trans dropper post lever - trans-x,

£5.45
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Metal alloy cycling bike - bike, seat

Metal alloy cycling bike - bike, seat

£6.45
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Bicycle seatpost tube mountain - bicycle,

Bicycle seatpost tube mountain - bicycle,

£14.99
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Aluminum alloy seatpost mtb - alloy,

Aluminum alloy seatpost mtb - alloy,

£9.99
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Zoom mtb suspension seatpost - zoom,

Zoom mtb suspension seatpost - zoom,

£18.99
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6mm aluminium seatpost - 31.6mm,

6mm aluminium seatpost - 31.6mm,

£4.79
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Tmars alloy seat post - tmars,

Tmars alloy seat post - tmars,

£14.95
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2x300mm bike seat - 27.2x300mm,

2x300mm bike seat - 27.2x300mm,

£10.80
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Wave alloy seat post - alloy,

Wave alloy seat post - alloy,

£12.85
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Bike seat post rubber ring

Bike seat post rubber ring

£3.49
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Bicycle bike seat post - bike, mtb

Bicycle bike seat post - bike, mtb

£8.40
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Mountain bike seat post - bike, saddle

Mountain bike seat post - bike, saddle

£8.69
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Specialized saddle 30 - saddle, 30.9mm

Specialized saddle 30 - saddle, 30.9mm

£24.99
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9mm 6mm aluminum alloy - 30.9mm/31.6mm,

9mm 6mm aluminum alloy - 30.9mm/31.6mm,

£12.99
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Meroca mtb dropper - meroca, seatpost

Meroca mtb dropper - meroca, seatpost

£32.89
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Bicycle mtb bike - mtb,

Bicycle mtb bike - mtb,

£10.99
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Universal 4x300mm bicycle - universal,

Universal 4x300mm bicycle - universal,

£10.58
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270mm seatpost single - seatpost,

270mm seatpost single - seatpost,

£7.99
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📊96 listings · from £2.19 · avg £17.03
⚠️ These listings were last updated more than 18 days ago. Search for fresh listings

Browse 96 mountain bike seat post listings currently in our index. Prices range from £2.19 to £239.9, with an average of £17.03. Whether you are hunting for a bargain or looking for a top-spec model, the selection below covers all price points — new, used and refurbished. More about mountain bike seat post →

Try this: shimano dura ace groupset | powabyke electric bikes | specialized seatpost | thomson masterpiece | groupset | boardman ht pro | mongoose tyax | campagnolo anniversary | trike wheels | electric bicycle kit

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Everything you need to know about mountain bike seat post

Whether you are looking for a brand-new or second-hand mountain bike seat post, eBay offers one of the largest selections available online. With 96 active listings at the time of this page's last update, you have plenty of choice across different conditions, sellers and price points. The cheapest option currently starts at £2.19, while premium listings can reach £239.9 — giving you a wide budget spread to work with. The average price of £17.03 can serve as a useful benchmark: listings below this tend to be used or auction-style, while those above often include extra accessories, warranties, or are sold by professional sellers with high feedback scores. Always check the seller's feedback rating and return policy before committing to a purchase. If you need the item quickly, filter by "Buy It Now" to avoid the uncertainty of auctions. For used items, look closely at the condition description and photos — terms like "good", "very good" and "like new" can mean very different things depending on the seller.

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