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Mountain bike seat post

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

Aluminium bicycle seatpost - aluminium,

Aluminium bicycle seatpost - aluminium,

£9.99 · Buy It Now

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Bicycle bike seat - seat, post

Bicycle bike seat - seat, post

£6.41 · Buy It Now

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9mm 150mm mountain bike - 30.9mm,

9mm 150mm mountain bike - 30.9mm,

£69.00 · Buy It Now

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Zoom suspension seat post - zoom,

Zoom suspension seat post - zoom,

£21.99 · Buy It Now

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1pc bike aluminum - bike, alloy

1pc bike aluminum - bike, alloy

£5.79 · Buy It Now

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Wave seat post - alloy, black

Wave seat post - alloy, black

£9.99 · Buy It Now

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Aluminum bike seat - seat, stem

Aluminum bike seat - seat, stem

£9.99 · Buy It Now

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Wave black mountain bike - m-wave,

Wave black mountain bike - m-wave,

£17.85 · Buy It Now

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Meroca mountain bike seatpost - mountain,

Meroca mountain bike seatpost - mountain,

£40.99 · Buy It Now

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

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

£10.85 · Buy It Now

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Mtb bicycle seatpost aluminium - bicycle,

Mtb bicycle seatpost aluminium - bicycle,

£11.04 · Buy It Now

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Wave alloy seat post c3 - alloy,

Wave alloy seat post c3 - alloy,

£12.85 · Buy It Now

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Mtb seatpost mountain - mountain, bike

Mtb seatpost mountain - mountain, bike

£14.99 · Buy It Now

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Toseek seatpost - toseek,

Toseek seatpost - toseek,

£20.49 · Buy It Now

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Aluminium alloy 6061 - aluminium,

Aluminium alloy 6061 - aluminium,

£15.99 · Buy It Now

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350mm mtb road bike - road,

350mm mtb road bike - road,

£9.19 · Buy It Now

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Wave bicycle suspension seat - bicycle,

Wave bicycle suspension seat - bicycle,

£15.85 · Buy It Now

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Seat post mountain bike road - post,

Seat post mountain bike road - post,

£5.94 · Buy It Now

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0mm micro adjustable 300mm - micro,

0mm micro adjustable 300mm - micro,

£13.99 · Buy It Now

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Alumium bike seat post - bike,

Alumium bike seat post - bike,

£9.36 · Buy It Now

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Bicycle seatpost tube - bicycle,

Bicycle seatpost tube - bicycle,

£8.59 · Buy It Now

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Extra long 400mm alloy seat - ,

Extra long 400mm alloy seat - ,

£13.95 · Buy It Now

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Bicycle bike seat post mtb - bike,

Bicycle bike seat post mtb - bike,

£8.99 · Buy It Now

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Meroca bike dropper seat - meroca,

Meroca bike dropper seat - meroca,

£64.99 · Buy It Now

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Road bikes aluminumalloy seat - bikes,

Road bikes aluminumalloy seat - bikes,

£6.39 · Buy It Now

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Bicycle aluminum seat post - bicycle,

Bicycle aluminum seat post - bicycle,

£14.99 · Buy It Now

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Bicycle bike seat post - bicycle,

Bicycle bike seat post - bicycle,

£8.73 · Buy It Now

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Promax aluminium suspension - aluminium,

Promax aluminium suspension - aluminium,

£15.85 · Buy It Now

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Suntour sp12ncx bike - sp12ncx,

Suntour sp12ncx bike - sp12ncx,

£56.99 · Buy It Now

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Kranx alloy 4mm - -, 350mm

Kranx alloy 4mm - -, 350mm

£10.59 · Buy It Now

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Brand setback alloy seatpost - alloy,

Brand setback alloy seatpost - alloy,

£16.04 · Buy It Now

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Carbon mtb bike seatpost - carbon,

Carbon mtb bike seatpost - carbon,

£27.59 · Buy It Now

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Alloy seat post - seat,

Alloy seat post - seat,

£15.99 · Buy It Now

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

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

£14.99 · Buy It Now

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Bike seat post rubber - , ring

Bike seat post rubber - , ring

£3.49 · Buy It Now

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

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

£8.96 · Buy It Now

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Kranx aluminum seat post stem - aluminum,

Kranx aluminum seat post stem - aluminum,

£21.56 · Buy It Now

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Kranx aluminum alloy 350mm - kranx,

Kranx aluminum alloy 350mm - kranx,

£5.45 · Buy It Now

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Steel seatpost seat post - seatpost,,

Steel seatpost seat post - seatpost,,

£4.60 · Buy It Now

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Carbon fibre bicycle - fibre,

Carbon fibre bicycle - fibre,

£28.79 · Buy It Now

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Zoom adjustable suspension - zoom,

Zoom adjustable suspension - zoom,

£19.85 · Buy It Now

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2026 aluminum alloy - 2026,

2026 aluminum alloy - 2026,

£9.99 · Buy It Now

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Wave adjustable bike - adjustable,

Wave adjustable bike - adjustable,

£15.85 · Buy It Now

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Bike seat post with - with, shock

Bike seat post with - with, shock

£12.94 · Buy It Now

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

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

£13.83 · Buy It Now

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Meroca mountain bike seatpost - bike,

Meroca mountain bike seatpost - bike,

£43.14 · Buy It Now

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Black 4mm 8mm - 25.4mm-30.4mm-31.8mm, mtb

Black 4mm 8mm - 25.4mm-30.4mm-31.8mm, mtb

£14.65 · Buy It Now

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Universal 4x450mm bicycle - 25.4x450mm,

Universal 4x450mm bicycle - 25.4x450mm,

£10.81 · Buy It Now

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📊48 listings · from £3.49 · avg £17.32
⚠️ These listings were last updated more than 22 days ago. Search for fresh listings

Browse 48 mountain bike seat post listings currently in our index. Prices range from £3.49 to £69, with an average of £17.32. 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: old school bmx chainring | orange frame | pace forks | pashley ladies bike | puky balance bike | raleigh pedals | reynolds 653 | ritchey wheels | roval wheels | retro shimano xt

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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 48 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 £3.49, while premium listings can reach £69 — giving you a wide budget spread to work with. The average price of £17.32 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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