Mountain bike seat post
Mountain bike seat post for sale on Ireland's largest auction and classifieds sites
Bicycle bike seat post - bicycle, - £12.77
Aluminum alloy steatpost • Color black material • 31.6mm weight about - Free postage - New and Used
Aluminum alloy steatpost • Color black material • 31.6mm weight about - Free postage - New and Used
Alumium bike seat post - seat, - £9.36
Adaptation generally applicable • Folding bike bmx • Electric car mountain - Free postage - New and Used
Adaptation generally applicable • Folding bike bmx • Electric car mountain - Free postage - New and Used
Wave seat post - m-wave, black - £9.99
350mm stem length • Alloy black - Free postage - New and Used
350mm stem length • Alloy black - Free postage - New and Used
Aluminium alloy 6061 - alloy, - £15.99
- Free postage - New and Used
- Free postage - New and Used
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Bicycle bike seat - seat, mtb - £7.99
Corrosion resistant constructed • From aluminium alloy • That not only - Free postage - New and Used
Corrosion resistant constructed • From aluminium alloy • That not only - Free postage - New and Used
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48 listings · from £5 · avg £19.98
Browse 48 mountain bike seat post listings currently in our index. Prices range from £5 to £120, with an average of £19.98. 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 →
1pc bike aluminum - alloy, seat - £5.79
Material aluminum alloy • Ultralight high intensity • Durable color can - Free postage - New and Used
Material aluminum alloy • Ultralight high intensity • Durable color can - Free postage - New and Used
Wave black mountain bike - m-wave, - £17.85
Providing more comfortable • Enjoyable ride has • 40mm travel rigidity - Free postage - New and Used
Providing more comfortable • Enjoyable ride has • 40mm travel rigidity - Free postage - New and Used
Bicycle seatpost tube mountain - bicycle, - £8.59
Adaptation generally applicable • Folding bike bmx • Electric car mountain - Free postage - New and Used
Adaptation generally applicable • Folding bike bmx • Electric car mountain - Free postage - New and Used
Road bikes aluminumalloy seat - aluminumalloy, - £6.39
Color can available • You choose length • 30cm 11.81in 28.6mm - Free postage - New and Used
Color can available • You choose length • 30cm 11.81in 28.6mm - Free postage - New and Used
0mm micro adjustable 300mm - 30.0mm, - £13.99
Length 300mm micro • Adjust - Free postage - New and Used
Length 300mm micro • Adjust - Free postage - New and Used
Zoom adjustable suspension - adjustable, - £19.85
Providing more comfortable • Enjoyable ride has • 35mm travel rigidity - Free postage - New and Used
Providing more comfortable • Enjoyable ride has • 35mm travel rigidity - Free postage - New and Used
9mm 150mm mountain bike - 150mm, - £69.99
Internal cable routing • Design 900i engineered • Providing sleek clean - Free postage - New and Used
Internal cable routing • Design 900i engineered • Providing sleek clean - Free postage - New and Used
Alloy seat post mountain - alloy, - £15.99
400mm length micro • Adjustable stem head • 6061 alloy west - Free postage - New and Used
400mm length micro • Adjustable stem head • 6061 alloy west - Free postage - New and Used
Zoom suspension seat post - suspension, - £18.99
Zoom suspension seat • Post high quality • Aluminium seatpost bikes - Free postage - New and Used
Zoom suspension seat • Post high quality • Aluminium seatpost bikes - Free postage - New and Used
Rsp beanpole offset - beanpole, - £12.94
New rsp offset • Seat post black • 30.9 350mm packaging - Free postage - New and Used
New rsp offset • Seat post black • 30.9 350mm packaging - Free postage - New and Used
Zoom suspension seat post - zoom, ø - £21.99
Zoom suspension seat • Post high quality • Bike component universal - Free postage - New and Used
Zoom suspension seat • Post high quality • Bike component universal - Free postage - New and Used
9mm 6mm aluminum alloy - aluminum, - £10.55
Frosted appearance this • Black seat tube • Graceful classic which - Free postage - New and Used
Frosted appearance this • Black seat tube • Graceful classic which - Free postage - New and Used
300mm aluminum alloy - 27.2*300mm, - £8.72
- Free postage - New and Used
- Free postage - New and Used
Extra long 400mm alloy seat - extra, - £13.95
400mm length sizes • Available micro adjustable • Head single bolt - Free postage - New and Used
400mm length sizes • Available micro adjustable • Head single bolt - Free postage - New and Used
Bicycle saddle suspension - bicycle, - £13.95
Micro adjustable saddle • Position silver alloy • Your bike before - Free postage - New and Used
Micro adjustable saddle • Position silver alloy • Your bike before - Free postage - New and Used
Aluminum seat post - aluminum, stem - £10.20
Model seatpost description • Bike seat post • Bka70 color black - Free postage - New and Used
Model seatpost description • Bike seat post • Bka70 color black - Free postage - New and Used
Meroca bike dropper seat post - dropper, - £64.99
27.2 30.9 31.6mm • 125mm travel - Free postage - New and Used
27.2 30.9 31.6mm • 125mm travel - Free postage - New and Used
Wave bicycle suspension seat - bicycle, - £15.85
Suspension has 40mm • Travel - Free postage - New and Used
Suspension has 40mm • Travel - Free postage - New and Used
Mtb seatpost mountain bike - mtb, - £14.99
This mtb seatpost • High quality aluminum • Shimano compatible bikes - Free postage - New and Used
This mtb seatpost • High quality aluminum • Shimano compatible bikes - Free postage - New and Used
Mountain bike seat post - post, - £5.98
- Free postage - New and Used
- Free postage - New and Used
Promax alloy seat - promax, stem - £13.95
400mm length sizes • Available micro adjustable • Head single bolt - Free postage - New and Used
400mm length sizes • Available micro adjustable • Head single bolt - Free postage - New and Used
Mtb bicycle seatpost aluminium - mtb, - £11.04
Material aluminum alloy - Free postage - New and Used
Material aluminum alloy - Free postage - New and Used
Wave alloy seat post c3 - m-wave, - £12.85
All are 350mm • Equipped standard seat • Clamp colour black - Free postage - New and Used
All are 350mm • Equipped standard seat • Clamp colour black - Free postage - New and Used
Suntour sp12ncx bike - sp12ncx, - £59.26
Suspension system internal • Coil preload adjust • Steel bushing parallelogram - Free postage - New and Used
Suspension system internal • Coil preload adjust • Steel bushing parallelogram - Free postage - New and Used
Brand setback alloy seatpost - brand-x, - £16.04
Clamp head are • Offset 5mm include • Adjustable bolt design - Free postage - New and Used
Clamp head are • Offset 5mm include • Adjustable bolt design - Free postage - New and Used
Carbon mtb bike seatpost - bike, - £27.59
Seat part clip • Made high strength • Aluminum alloy one - Free postage - New and Used
Seat part clip • Made high strength • Aluminum alloy one - Free postage - New and Used
6x450mm bicycle seat post - bicycle, - £10.87
Feature easy install • Made aluminum alloy • Durable materials long - Free postage - New and Used
Feature easy install • Made aluminum alloy • Durable materials long - Free postage - New and Used
Bicycle aluminum seat post - bicycle, - £14.99
Material aluminium alloy • 6061 tube part • Corrosion anti oxidation - Free postage - New and Used
Material aluminium alloy • 6061 tube part • Corrosion anti oxidation - Free postage - New and Used
28 6mm bicycle bike - bicycle, - £8.96
Suitable bow shaped • Cushions - Free postage - New and Used
Suitable bow shaped • Cushions - Free postage - New and Used
Alloy seat post stem seatpost - seat, - £11.15
Material aluminum alloy - Free postage - New and Used
Material aluminum alloy - Free postage - New and Used
Meroca mountain bike seatpost - meroca, - £49.26
Portable hookah top • Puff screw bottle • Converter water pipe - Free postage - New and Used
Portable hookah top • Puff screw bottle • Converter water pipe - Free postage - New and Used
Promax aluminium alloy - promax, seat - £5.00
Seat post • Promax aluminium alloy • High quality bike - Free postage - New and Used
Seat post • Promax aluminium alloy • High quality bike - Free postage - New and Used
Promax aluminium suspension - promax, - £15.85
Suspension has 40mm • Travel adjustable via • Allen key bottom - Free postage - New and Used
Suspension has 40mm • Travel adjustable via • Allen key bottom - Free postage - New and Used
Universal 4x450mm bicycle - universal, 25.4x450mm - £10.81
Feature easy install • Made aluminum alloy • Durable materials long - Free postage - New and Used
Feature easy install • Made aluminum alloy • Durable materials long - Free postage - New and Used
Mtb bike dropper - bike, seatpost - £19.95
Specification material aluminum • Alloy fit handlebar • Clamp diameter 22.2mm - Free postage - New and Used
Specification material aluminum • Alloy fit handlebar • Clamp diameter 22.2mm - Free postage - New and Used
Alloy seat post - seat, - £8.97
A300mm length provides • Sufficient adjustability wide • Range riders saddle - Free postage - New and Used
A300mm length provides • Sufficient adjustability wide • Range riders saddle - Free postage - New and Used
Black 4mm - black, 25.4mm-30.4mm-31.8mm - £8.67
Overall length 300mm • Color black - Free postage - New and Used
Overall length 300mm • Color black - Free postage - New and Used
31 6mm aluminum - 27.2/30/8/31.6mm, - £13.83
Weight about 294g • 27.5 350mm different • Material superlight aluminum - Free postage - New and Used
Weight about 294g • 27.5 350mm different • Material superlight aluminum - Free postage - New and Used
Thomson elite bike - bike, post - £54.95
Thomson elite 27.2 • 410mm seat post • Good condition just - Free postage - New and Used
Thomson elite 27.2 • 410mm seat post • Good condition just - Free postage - New and Used
Mtb bicycle seatpost alloy - bicycle, - £12.77
Material aluminium alloy • Will provide professional • Reasonable solutions you - Free postage - New and Used
Material aluminium alloy • Will provide professional • Reasonable solutions you - Free postage - New and Used
Mtb bicycle seatpost - mtb, - £8.67
Material aluminum alloy - Free postage - New and Used
Material aluminum alloy - Free postage - New and Used
Bike seatpost bundle - seatpost, 31.6 - £16.17
Sizes 31.6 30.9 • 27.2 mixed visible • Scratches marks signs - Free postage - New and Used
Sizes 31.6 30.9 • 27.2 mixed visible • Scratches marks signs - Free postage - New and Used
Tranzx ysp36 ysp22 ysp29 - tranzx, ysp36/ysp22/ysp29 - £120.00
Ysp36 27.2x395mm offset • 110mm travel ysp22 • 0mm 19mm external - Free postage - New and Used
Ysp36 27.2x395mm offset • 110mm travel ysp22 • 0mm 19mm external - Free postage - New and Used
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 £5, while premium listings can reach £120 — giving you a wide budget spread to work with. The average price of £19.98 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.