For Sale UK

20 mountain bikes

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20 mountain bikes for sale on largest auction and classifieds sites

Home / Bicycles / 20 mountain bikes refurbished & used for sale | For Sale UK
Specialized riprock 20in kids - specialized,

Specialized riprock 20in kids - specialized,

£156.70
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Inch mountain bike speed - inch,

Inch mountain bike speed - inch,

£90.13
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20inch kids bike - 20inch,

20inch kids bike - 20inch,

£199.99
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Dallingridge melody girls - 20",

Dallingridge melody girls - 20",

£164.99
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Carrera blast 20in - 20in, kids

Carrera blast 20in - 20in, kids

£146.30
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Red mountain bike - red,

Red mountain bike - red,

£450.00
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Apollo valier mens - apollo, mountain

Apollo valier mens - apollo, mountain

£156.70
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Inch mountain bike speed - mountain,

Inch mountain bike speed - mountain,

£89.99
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Front and rear - front, mudguards

Front and rear - front, mudguards

£3.99
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Inch mountain bike speed - mountain, 7

Inch mountain bike speed - mountain, 7

£94.98
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Inch mountain bike - mountain, 7

Inch mountain bike - mountain, 7

£85.59
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Inch mountain bike - bike, 7

Inch mountain bike - bike, 7

£90.94
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Inch mountain bike speed - 20,

Inch mountain bike speed - 20,

£89.05
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Carrera 20in unisex kids - carrera,

Carrera 20in unisex kids - carrera,

£68.30
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Inch kids bike girls - 18-22,

Inch kids bike girls - 18-22,

£159.90
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Propain dreckspatz kids - dreckspatz,

Propain dreckspatz kids - dreckspatz,

£695.20
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Giant xtc 20in unisex - xtc, kids

Giant xtc 20in unisex - xtc, kids

£28.78
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Basis raptor junior hardtail - basis,

Basis raptor junior hardtail - basis,

£158.99
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Huffy korros inch speed - huffy, 20-inch

Huffy korros inch speed - huffy, 20-inch

£197.99
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Giant xtc kids mountain - kids,

Giant xtc kids mountain - kids,

£109.00
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Barracuda charge wheel - 20",

Barracuda charge wheel - 20",

£199.99
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Inch unisex mountain - inch,

Inch unisex mountain - inch,

£122.54
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Inch mountain bike - mountain,

Inch mountain bike - mountain,

£91.70
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125 motocross bmx - x,

125 motocross bmx - x,

£47.99
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Schwalbe marathon plus - schwalbe,

Schwalbe marathon plus - schwalbe,

£69.99
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Trek wahoo wheels junior - trek,

Trek wahoo wheels junior - trek,

£193.10
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Kids mountain bike - 20",

Kids mountain bike - 20",

£198.99
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Economy mtb tyre - tyre, 20"

Economy mtb tyre - tyre, 20"

£11.99
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New inch mountain - new, bike

New inch mountain - new, bike

£169.90
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Inch kids mountain - 18-22,

Inch kids mountain - 18-22,

£145.90
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Girls 20inch apollo - girls,

Girls 20inch apollo - girls,

£61.54
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Inch kids bike - 20, 22

Inch kids bike - 20, 22

£169.90
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Inch kids bike unisex - 18-24,

Inch kids bike unisex - 18-24,

£139.90
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Electric mountain bikes - electric,

Electric mountain bikes - electric,

£674.00
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Dallingridge blade mountain - blade,

Dallingridge blade mountain - blade,

£158.99
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Job lot kids - job, bikes

Job lot kids - job, bikes

£219.10
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Muddyfox anarchy 20in - 20in, kids

Muddyfox anarchy 20in - 20in, kids

£94.30
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Schwalbe marathon puncture - schwalbe,

Schwalbe marathon puncture - schwalbe,

£47.95
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Inch kids mountain bike 7 - bike,

Inch kids mountain bike 7 - bike,

£146.30
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Inch unisex mountain - 20",

Inch unisex mountain - 20",

£121.31
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Inch mountain bike speed - mountain, 7

Inch mountain bike speed - mountain, 7

£104.69
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Falcon moonstone inch - falcon,

Falcon moonstone inch - falcon,

£229.49
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2012 diamondback wildwood - diamondback,

2012 diamondback wildwood - diamondback,

£150.98
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Bicycle tyre bike tire - bicycle,

Bicycle tyre bike tire - bicycle,

£9.49
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Inch mountain bike speed - 20,

Inch mountain bike speed - 20,

£89.19
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Specialized hotrock - specialized,

Specialized hotrock - specialized,

£94.29
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Inch bike adult teenager - 24,

Inch bike adult teenager - 24,

£169.90
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Carrera blast wheels - carrera,

Carrera blast wheels - carrera,

£161.90
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Professional diva wheel - 20",

Professional diva wheel - 20",

£179.99
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20inch kids bike boys girls - kids,

20inch kids bike boys girls - kids,

£199.00
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Carrera luna wheels junior - 20",

Carrera luna wheels junior - 20",

£109.90
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New inch kids - kids, girls

New inch kids - kids, girls

£162.90
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Basis gator mountain - basis, kids

Basis gator mountain - basis, kids

£143.99
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Bbb sky scraper - scraper, seat

Bbb sky scraper - scraper, seat

£31.19
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Huffy kids mountain bike - 20”,

Huffy kids mountain bike - 20”,

£10.80
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Inch mountain bike speed - bike,

Inch mountain bike speed - bike,

£93.87
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Yoac mountain bike dual - mountain, 23

Yoac mountain bike dual - mountain, 23

£158.99
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Inch mountain bike speed - 7,

Inch mountain bike speed - 7,

£90.94
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Inch mountain bike - inch,

Inch mountain bike - inch,

£169.90
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Pvc rim tape - rim, width

Pvc rim tape - rim, width

£4.57
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Apollo spektor mountain - apollo, bike

Apollo spektor mountain - apollo, bike

£26.70
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Coyote element axr mens - coyote,

Coyote element axr mens - coyote,

£177.99
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Team white boys mountain bike - white,

Team white boys mountain bike - white,

£43.07
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Inch mountain bike speed - mountain,

Inch mountain bike speed - mountain,

£99.50
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Unisex kids mountain - unisex,

Unisex kids mountain - unisex,

£52.70
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Twin h1ndr 20in unisex - h1ndr,

Twin h1ndr 20in unisex - h1ndr,

£57.90
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Inch front rack - 20,

Inch front rack - 20,

£20.64
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Claud butler cape - claud,

Claud butler cape - claud,

£104.70
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Land rover bikes experience - rover,

Land rover bikes experience - rover,

£312.70
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Specialized hotrock kids - specialized,

Specialized hotrock kids - specialized,

£135.89
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Inch mountain bike speed - mountain,

Inch mountain bike speed - mountain,

£104.99
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Meijun mountain bikes - meijun, road

Meijun mountain bikes - meijun, road

£17.99
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New inch kids bike - inch,

New inch kids bike - inch,

£162.90
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Heavy duty brake fixing - brake,

Heavy duty brake fixing - brake,

£5.28
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Huffy extent mountain bike - extent,

Huffy extent mountain bike - extent,

£180.00
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Yoac mountain bike full - 84,

Yoac mountain bike full - 84,

£158.99
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Inch unisex mountain bike - unisex,

Inch unisex mountain bike - unisex,

£122.67
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Adjustable mountain - 20-28”,

Adjustable mountain - 20-28”,

£9.85
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Boom 22inch kids - 18-22inch, bike

Boom 22inch kids - 18-22inch, bike

£139.90
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Inch child bike mountain - inch,

Inch child bike mountain - inch,

£122.54
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Dallingridge brave junior - dallingridge,

Dallingridge brave junior - dallingridge,

£143.99
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Professional dude kids boys - professional,

Professional dude kids boys - professional,

£179.99
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Carrera valour mens mountain - carrera,

Carrera valour mens mountain - carrera,

£85.00
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Inch mountain bike speed - 20,

Inch mountain bike speed - 20,

£103.55
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Inch child bike mountain - bike,

Inch child bike mountain - bike,

£122.54
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Inch child bike mountain - child,

Inch child bike mountain - child,

£122.54
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Girs mountain bike inch - mountain,

Girs mountain bike inch - mountain,

£83.90
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Carrera luna mountain - carrera, bike

Carrera luna mountain - carrera, bike

£83.90
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Heavy duty brake fixing - heavy, v

Heavy duty brake fixing - heavy, v

£4.84
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Apollo chaos kids - apollo,

Apollo chaos kids - apollo,

£154.99
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Raleigh explore inch - explore, 20

Raleigh explore inch - explore, 20

£30.86
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Basis princess girls - princess, 20"

Basis princess girls - princess, 20"

£174.99
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Inch mountain bike - inch,

Inch mountain bike - inch,

£93.60
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Inch unisex mountain bike - inch,

Inch unisex mountain bike - inch,

£82.74
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Cheevalry off road - cheevalry, 20"

Cheevalry off road - cheevalry, 20"

£599.00
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Girls inch avoca - girls', fs20

Girls inch avoca - girls', fs20

£109.90
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📊96 listings · from £3.99 · avg £134.61
⚠️ These listings were last updated more than 13 days ago. Search for fresh listings

Browse 96 20 mountain bikes listings currently in our index. Prices range from £3.99 to £695.2, with an average of £134.61. 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 20 mountain bikes →

Try this: 2016 trek bikes | 21 speed mountain bike | 24 trials bike | 26 mtb frame | 29er bikes | 3 wheel bike | 3 wheel bikes | 50cm road bike | 52cm road bike | alex moulton bicycle

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Everything you need to know about 20 mountain bikes

Whether you are looking for a brand-new or second-hand 20 mountain bikes, 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 £3.99, while premium listings can reach £695.2 — giving you a wide budget spread to work with. The average price of £134.61 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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