For Sale UK

Trek 820 mountain bike

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Trek 820 mountain bike for sale on Ireland's largest auction and classifieds sites

Home / Cycling / Trek 820 mountain bike refurbished & used for sale | For Sale UK
Trek marlin ready - trek,

Trek marlin ready - trek,

£286.70 · Buy It Now

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Trek marlin mountain - trek, bike

Trek marlin mountain - trek, bike

£276.30 · Buy It Now

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Trek slash miami green - trek,

Trek slash miami green - trek,

£1537.00 · Buy It Now

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Trek marlin mountain bike - bike,

Trek marlin mountain bike - bike,

£414.70 · Buy It Now

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Trek marlin gen mountain - marlin,

Trek marlin gen mountain - marlin,

£771.70 · Buy It Now

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Trek rescoe mountain bike - rescoe,

Trek rescoe mountain bike - rescoe,

£600.00 · Buy It Now

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Trek marlin mountain - trek, bike

Trek marlin mountain - trek, bike

£414.70 · Buy It Now

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Trek mt220 mountain bike - mt220,

Trek mt220 mountain bike - mt220,

£83.90 · Buy It Now

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Trek caliber mountain bike - 7,

Trek caliber mountain bike - 7,

£280.00 · Buy It Now

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Trek marlin mountain bike - trek,

Trek marlin mountain bike - trek,

£414.70 · Buy It Now

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Trek alpha 4100 mountain - mountain, bike

Trek alpha 4100 mountain - mountain, bike

£47.50 · Buy It Now

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Trek marlin mountain bike - marlin, 7

Trek marlin mountain bike - marlin, 7

£394.30 · Buy It Now

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Trek ds2 mountain bike large - trek,

Trek ds2 mountain bike large - trek,

£146.30 · Buy It Now

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Trek xcaliber large - trek, 8

Trek xcaliber large - trek, 8

£414.70 · Buy It Now

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Trek marlin mountain bike - 4,

Trek marlin mountain bike - 4,

£363.70 · Buy It Now

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Trek caliber mountain - mountain, bike

Trek caliber mountain - mountain, bike

£250.00 · Buy It Now

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Trek procaliber gen 2 - 9.5,

Trek procaliber gen 2 - 9.5,

£771.70 · Buy It Now

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Trek slash ultimate - trek, flight

Trek slash ultimate - trek, flight

£4586.70 · Buy It Now

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Trek marlin unisex mountain - 4,

Trek marlin unisex mountain - 4,

£286.70 · Buy It Now

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Trek marlin hardtail - trek,

Trek marlin hardtail - trek,

£450.00 · Buy It Now

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Trek 4900 mountain bike - mountain,

Trek 4900 mountain bike - mountain,

£439.00 · Buy It Now

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Trek caliber mountain - trek, x-caliber

Trek caliber mountain - trek, x-caliber

£414.70 · Buy It Now

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Trek marlin gen small - marlin,

Trek marlin gen small - marlin,

£506.50 · Buy It Now

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Trek series lightweight - trek,

Trek series lightweight - trek,

£275.00 · Buy It Now

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Trek navigator 200 - navigator,

Trek navigator 200 - navigator,

£140.00 · Buy It Now

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Trek 4300 mountain bike - trek,

Trek 4300 mountain bike - trek,

£104.69 · Buy It Now

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Trek caliber 7 - caliber,

Trek caliber 7 - caliber,

£260.70 · Buy It Now

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Trek supercaliber slr xt - trek,

Trek supercaliber slr xt - trek,

£2600.00 · Buy It Now

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Trek 4300 mountain bike - 4300,

Trek 4300 mountain bike - 4300,

£125.50 · Buy It Now

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Trek marlin mountain - marlin, 6

Trek marlin mountain - marlin, 6

£219.10 · Buy It Now

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2023 trek marlin gen - 8,

2023 trek marlin gen - 8,

£873.70 · Buy It Now

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Trek roscoe mountain bike - 6,

Trek roscoe mountain bike - 6,

£618.70 · Buy It Now

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Trek caliber shimano deore - 7,

Trek caliber shimano deore - 7,

£750.00 · Buy It Now

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Trek mountain bike roscoe - trek,

Trek mountain bike roscoe - trek,

£465.70 · Buy It Now

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2005 trek fuel - mtb, bike

2005 trek fuel - mtb, bike

£516.70 · Buy It Now

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Grab bargain lightly - a,

Grab bargain lightly - a,

£771.70 · Buy It Now

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Trek marlin hardtail - 5,

Trek marlin hardtail - 5,

£465.70 · Buy It Now

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Trek marlin mountain bike - 5,

Trek marlin mountain bike - 5,

£414.70 · Buy It Now

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Trek roscoe - upgraded),

Trek roscoe - upgraded),

£1128.70 · Buy It Now

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Trek slash mtb - trek, 7

Trek slash mtb - trek, 7

£618.70 · Buy It Now

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Trek caliber 29in - 8, mountain

Trek caliber 29in - 8, mountain

£414.70 · Buy It Now

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1997 trek mountain - 1997, |

1997 trek mountain - 1997, |

£2499.00 · Buy It Now

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Trek marlin gen mountain - trek,

Trek marlin gen mountain - trek,

£177.50 · Buy It Now

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Trek procaliber shimano - procaliber, 9.5

Trek procaliber shimano - procaliber, 9.5

£1725.00 · Buy It Now

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Trek marlin mountain - 5, bike

Trek marlin mountain - 5, bike

£465.70 · Buy It Now

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Mountain bike trek marlin - mountain, 5

Mountain bike trek marlin - mountain, 5

£567.70 · Buy It Now

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Trek series alpha - trek, aluminum

Trek series alpha - trek, aluminum

£187.90 · Buy It Now

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Trek slash mountain bike - trek, 9.7

Trek slash mountain bike - trek, 9.7

£2250.70 · Buy It Now

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Trek 3500 3700 3900 - trek,

Trek 3500 3700 3900 - trek,

£10.99 · Buy It Now

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Mountain bike hardtail - mountain,

Mountain bike hardtail - mountain,

£924.70 · Buy It Now

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Trek marlin mountain bike - trek, 7

Trek marlin mountain bike - trek, 7

£618.70 · Buy It Now

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Trek 820 mtntrack mtb - trek,

Trek 820 mtntrack mtb - trek,

£125.05 · Buy It Now

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Trek marlin gen bike - bike, new

Trek marlin gen bike - bike, new

£618.70 · Buy It Now

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Mountain bike brake rotor - bike,

Mountain bike brake rotor - bike,

£11.50 · Buy It Now

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Trek xcaliber large - trek, 8

Trek xcaliber large - trek, 8

£613.30 · Buy It Now

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Trek remedy rsl - trek,

Trek remedy rsl - trek,

£1281.70 · Buy It Now

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2010 trek 820 mtb bike - 820,

2010 trek 820 mtb bike - 820,

£62.71 · Buy It Now

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Trek 820 antelope wheel - 820,

Trek 820 antelope wheel - 820,

£107.03 · Buy It Now

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2008 trek 820 singletrack - singletrack, mtb

2008 trek 820 singletrack - singletrack, mtb

£62.71 · Buy It Now

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1995 trek 820 singletrack mtb - trek,

1995 trek 820 singletrack mtb - trek,

£2081.17 · Buy It Now

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White marble trek - trek, antelope

White marble trek - trek, antelope

£133.74 · Buy It Now

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2008 trek 820 mtb bike - 820, st

2008 trek 820 mtb bike - 820, st

£95.30 · Buy It Now

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Gray trek singletrack 850 - trek,

Gray trek singletrack 850 - trek,

£52.53 · Buy It Now

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1999 trek 820 - trek, 26"

1999 trek 820 - trek, 26"

£33.21 · Buy It Now

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Trek series alpha mountain - trek, 4

Trek series alpha mountain - trek, 4

£187.90 · Buy It Now

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Trek 6500 slr hardtail - trek,

Trek 6500 slr hardtail - trek,

£276.30 · Buy It Now

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Trek matrix front mtb - trek, bike

Trek matrix front mtb - trek, bike

£36.80 · Buy It Now

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Trek 820 antelope - trek,

Trek 820 antelope - trek,

£99.50 · Buy It Now

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Trek 820 mountain - trek,

Trek 820 mountain - trek,

£104.70 · Buy It Now

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Trek 820 mountain - mountain, bike

Trek 820 mountain - mountain, bike

£94.30 · Buy It Now

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Trek 4300 mountain - trek,

Trek 4300 mountain - trek,

£125.50 · Buy It Now

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Trek marlin mountain bike - marlin, 5

Trek marlin mountain bike - marlin, 5

£208.70 · Buy It Now

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Trek 820 29in mountain bike - 29in,

Trek 820 29in mountain bike - 29in,

£288.00 · Buy It Now

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Trek marlin mountain bike - marlin,

Trek marlin mountain bike - marlin,

£260.70 · Buy It Now

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Mountain bike trek - trek, 5

Mountain bike trek - trek, 5

£208.70 · Buy It Now

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Trek marlin mountain bike - trek, 5

Trek marlin mountain bike - trek, 5

£265.90 · Buy It Now

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Trek marlin mountain bike - marlin, 5

Trek marlin mountain bike - marlin, 5

£229.50 · Buy It Now

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Trek marlin gen - trek, mountain

Trek marlin gen - trek, mountain

£380.00 · Buy It Now

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Trek marlin mountain - 7, bike

Trek marlin mountain - 7, bike

£343.30 · Buy It Now

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Trek marlin mountain - 5, 5

Trek marlin mountain - 5, 5

£379.00 · Buy It Now

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Trek marlin mountain bike - 7,

Trek marlin mountain bike - 7,

£465.70 · Buy It Now

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Trek caliber sn22 - trek,

Trek caliber sn22 - trek,

£465.70 · Buy It Now

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Trek roscoe 2021 size - roscoe, s

Trek roscoe 2021 size - roscoe, s

£516.70 · Buy It Now

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Trek caliber shimano deore - trek,

Trek caliber shimano deore - trek,

£650.00 · Buy It Now

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Trek roscoe mountain bike - mountain,

Trek roscoe mountain bike - mountain,

£511.60 · Buy It Now

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Trek elite series - trek,

Trek elite series - trek,

£235.00 · Buy It Now

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2021 trek caliber mountain - 2021,

2021 trek caliber mountain - 2021,

£260.70 · Buy It Now

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Trek series - mt,

Trek series - mt,

£72.33 · Buy It Now

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Trek marlin 2026 hardtail - trek,

Trek marlin 2026 hardtail - trek,

£333.10 · Buy It Now

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Trek alpha 4500 - 26”, mountain

Trek alpha 4500 - 26”, mountain

£151.50 · Buy It Now

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Trek procaliber mountain - 9.8,

Trek procaliber mountain - 9.8,

£1715.20 · Buy It Now

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Trek 4300 mountain bike - mountain,

Trek 4300 mountain bike - mountain,

£104.70 · Buy It Now

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Trek hardtail mountain - trek,

Trek hardtail mountain - trek,

£200.00 · Buy It Now

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Trek marlin mtb - trek,

Trek marlin mtb - trek,

£115.10 · Buy It Now

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Trek marlin hardtail - 5,

Trek marlin hardtail - 5,

£322.90 · Buy It Now

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Trek roscoe hardtail - 7,

Trek roscoe hardtail - 7,

£600.00 · Buy It Now

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📊96 listings · from £10.99 · avg £519.07
⚠️ These listings were last updated more than 14 days ago. Search for fresh listings

Browse 96 trek 820 mountain bike listings currently in our index. Prices range from £10.99 to £4586.7, with an average of £519.07. 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 trek 820 mountain bike →

Try this: trek alpha | trek bicycle | trek bontrager | trek cycle | trek mtb | trek racing bikes | trek x caliber 7 | trekking bikes | trex bike | tri spoke wheel

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Everything you need to know about trek 820 mountain bike

Whether you are looking for a brand-new or second-hand trek 820 mountain bike, 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 £10.99, while premium listings can reach £4586.7 — giving you a wide budget spread to work with. The average price of £519.07 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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