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Bike seatpost x 400mm - seatpost,
£13.99
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Bomb thruster seatpost mtb - seatpost,
£39.99
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Aluminum bike seatpost - bike,
£21.18
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Metal alloy cycling bike seat - bike,
£6.45
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Bike seat post clamp - seat,
£2.98
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Metal alloy cycling bike seat - metal,
£6.75
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Bike seat post clamp - post,
£2.99
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Mtb seatpost x 400mm - seatpost, mm
£37.10
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8mm 350mm long lightweight - 29.8mm,
£10.80
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Ritchey wcs seatpost - ritchey, 31.6
£15.00
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Lightweight aluminum alloy
£5.82
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Bike seat post - seat, clamp
£3.95
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Bike seat post clamp - seat,
£4.49
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Carbon bicycle seatpost 25mm - carbon,
£62.14
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Bike yoke divine - bike,
£226.72
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Tranzx lightweight 150x34 9mm - tranzx,
£52.68
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Carbon seatpost for road bike - for,
£15.61
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Fsa integrated aero black - fsa,
£10.99
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Lightweight aluminum alloy - aluminum,
£5.60
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Blackspire 2mm 425mm mtb - 425mm,
£63.10
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Wfs lightweight alloy one - wfs,
£42.00
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Raleigh branded micro - branded, adjust
£13.75
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Kranx straight seatpost 4mm - seatpost, 25.4mm
£8.29
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Etc bike cycle - bike/cycle, seat
£8.01
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Specialized lightweight - specialized, 'lightweight'
£98.00
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Mtb dropper line controller - dropper,
£15.47
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6mm lightweight alloy - 31.6mm,
£14.99
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Metal alloy cycling bike seat - metal,
£6.97
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Seatpost lightweight moutain - seatpost,
£14.03
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Carbon fiber seatpost - carbon,
£31.13
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Seatpost with clamp adjustable - with,
£26.57
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Carbon fiber seatpost - fiber,
£49.87
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Kalloy bike seatpost 8mm - kalloy,
£12.99
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Bicycle seatpost 8mm - seatpost, 31.8mm
£17.40
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6mm micro adjustment - micro,
£6.99
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Bike seat post - bike, clamp
£4.30
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Bike seat post - bike,
£3.29
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Unbranded alloy micro adjust - micro,
£12.99
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Seatpost with clamp - seatpost,
£25.54
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Lightweight germany - lightweight,
£172.30
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Xlc branded lightweight alloy - lightweight,
£15.99
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Bike cycle seatpost - bike, post
£2.99
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Bike seat post - bike, clamp
£4.50
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Metal alloy cycling - alloy, bike
£6.55
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Xlc pro 7075 - pro, lightweight
£19.99
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Bike seat post - bike,
£3.29
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Etc bike cycle seat - bike/cycle, post
£8.65
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Bike seat post clamp - bike,
£4.29
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Aluminum alloy seatpost - aluminum,
£5.88
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Bbb lightstrangler lightweight - lightstrangler,
£9.99
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Eclat unify seat lightweight - eclat,
£9.99
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Metal alloy cycling - alloy,
£5.80
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Carbon seatpost - carbon,
£26.00
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Metal alloy cycling bike seat - metal,
£6.49
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Metal alloy cycling bike - bike, seat
£7.15
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Metal alloy cycling bike seat - alloy,
£6.50
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8mm lightweight alloy allen - lightweight,
£2.99
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Connection black adults - connection,
£4.38
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Bike seat post clamp - seat,
£4.99
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Bike bicycle seat - bicycle, post
£4.30
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350mm mtb road bike - mtb,
£12.99
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Parlee lightweight carbon - parlee,
£120.30
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Bike seat post clamp - bike,
£4.29
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Thompson elite lay - thompson,
£51.66
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Gelu venge lightweight - venge,
£141.10
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Bike seat post clamp - seat,
£6.54
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8mm bike seat post - seat, clamp
£3.39
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Carbon fiber bike - fiber, post
£9.01
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High quality 2mm - high-quality, 27.2mm
£10.84
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Bike seat post clamp - bike,
£3.79
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Icon graphite klein x - icon, 31.6
£21.49
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Gemini alsak lightweight - gemini,
£331.02
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Bike seat post clamp - post,
£3.17
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Vintage seatpost 0mm - vintage, 28.0mm
£16.15
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Seat post blue 9mm - seat, blue,
£3.84
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Lightweight seatclamp blue - lightweight,
£10.79
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Gusset lofty lightweight - gusset,
£29.99
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Mtb road bike - bike, seatpost
£30.41
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Bike seat post - seat, 27.2x350mm
£43.10
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Bike seat post - bike,
£3.15
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Transition pbj saddle and - pbj,
£18.08
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8mm bike cycle seatpost - bike,
£3.99
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Raleigh rsp bike road seatpost - bike,
£6.99
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Aluminum alloy seatpost clamp - alloy,
£7.84
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Bike seat post clamp - post,
£4.19
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Eclat unify seat lightweight - eclat,
£9.99
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Bike seat post - seat, clamp
£3.08
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Bontrager sport seatpost - bontrager, 27.2
£19.99
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Easton ec90 carbon seatpost - carbon,
£165.48
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Bike seat post clamp - bike,
£4.19
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8mm bike seat - seat, clamp
£3.45
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Xlc branded comp alloy - comp,
£15.99
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Hollow aluminum seat post - aluminum,
£23.87
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Bike smart saddle and - saddle,
£16.15
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Carbon fiber seatpost - fiber,
£28.26
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Seatpost with clamp adjustable - seatpost,
£23.52
Buy It Now
Looking for more seatpost lightweight?
Search eBay live — fresh results filtered for the best value, updated every hour.
Browse 96 seatpost lightweight listings currently in our index. Prices range from £2.98 to £331.02, with an average of £26.73. 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 seatpost lightweight →
Try this: dawes tandem | skyway bmx pads | stealth bomber | seat pillar | head tube badge | lowrider bike parts | bianchi jab | saracen zen | shimano ultegra groupset | kmx bike
Whether you are looking for a brand-new or second-hand seatpost lightweight, 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 £2.98, while premium listings can reach £331.02 — giving you a wide budget spread to work with. The average price of £26.73 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.