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
Carrera centos mountain - carrera, 3

Carrera centos mountain - carrera, 3

£229.50
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Specialized mountain bike - mountain,

Specialized mountain bike - mountain,

£156.70
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Basis princess girls - basis,

Basis princess girls - basis,

£169.99
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Kids mountain bike front - 20",

Kids mountain bike front - 20",

£169.99
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Carrera blast wheels - blast,

Carrera blast wheels - blast,

£208.00
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Carrera vengeance - carrera,

Carrera vengeance - carrera,

£516.70
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Diamond paper2 20in kids - diamond,

Diamond paper2 20in kids - diamond,

£94.30
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20inx4in mountain bike - 20inx4in,

20inx4in mountain bike - 20inx4in,

£63.10
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Apollo xpanse 20in kids - 20in,

Apollo xpanse 20in kids - 20in,

£182.70
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Bike coswheel ct20s - bike, -bike

Bike coswheel ct20s - bike, -bike

£2045.68
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Schwalbe marathon puncture - marathon,

Schwalbe marathon puncture - marathon,

£24.95
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Inch mountain bike - 20, speed

Inch mountain bike - 20, speed

£99.98
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Inch mountain bike - inch,

Inch mountain bike - inch,

£169.90
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Inch kids bike unisex - 18-24,

Inch kids bike unisex - 18-24,

£139.90
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Inch mountain bike speed - inch, 7

Inch mountain bike speed - inch, 7

£106.99
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Shimano folding mountain bike - shimano,

Shimano folding mountain bike - shimano,

£189.90
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Dallingridge blade mountain - dallingridge,

Dallingridge blade mountain - dallingridge,

£164.99
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Pvc rim tape pack 20mm - pvc, 2-pack

Pvc rim tape pack 20mm - pvc, 2-pack

£4.27
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Inch mountain bike - mountain,

Inch mountain bike - mountain,

£97.99
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Inch kids bike - 22, 24

Inch kids bike - 22, 24

£169.90
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New mountain bike green - new,

New mountain bike green - new,

£52.70
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Front and rear mudguards - rear,

Front and rear mudguards - rear,

£3.99
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Kenda red white blue - red,

Kenda red white blue - red,

£24.99
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Barracuda charge wheel - barracuda,

Barracuda charge wheel - barracuda,

£199.99
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New inch kids bike boys - kids,

New inch kids bike boys - kids,

£162.90
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Bike fender mudguard for - bike,

Bike fender mudguard for - bike,

£18.99
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Kenda smoke 95 - kenda, black

Kenda smoke 95 - kenda, black

£29.99
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Inch bike adult teenager - 24,

Inch bike adult teenager - 24,

£169.90
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Voodoo sobo junior mountain - junior,

Voodoo sobo junior mountain - junior,

£208.70
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Inch unisex mountain bike - mountain,

Inch unisex mountain bike - mountain,

£117.30
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New inch unisex mountain - new,

New inch unisex mountain - new,

£132.68
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48v bafang mid drive motor - drive,

48v bafang mid drive motor - drive,

£529.95
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Meijun mountain bikes - meijun, road

Meijun mountain bikes - meijun, road

£17.76
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Scott roxter disc wheels - roxter, 20"

Scott roxter disc wheels - roxter, 20"

£245.10
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Basis raptor junior hardtail - basis,

Basis raptor junior hardtail - basis,

£169.99
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Yoac mountain bike dual - yoac, 23

Yoac mountain bike dual - yoac, 23

£158.99
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Inch mountain bike - inch, speed

Inch mountain bike - inch, speed

£9.47
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Unisex kids inch mountain - kids, 20-inch

Unisex kids inch mountain - kids, 20-inch

£71.42
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Bucklos inch mtb oil - bucklos,

Bucklos inch mtb oil - bucklos,

£135.99
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Mountain bike 7 speeds - 20",

Mountain bike 7 speeds - 20",

£155.76
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Dallingridge brave junior - dallingridge,

Dallingridge brave junior - dallingridge,

£158.99
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Basis gator mountain - basis, kids

Basis gator mountain - basis, kids

£169.99
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Litre muk junkie off - junkie,

Litre muk junkie off - junkie,

£39.95
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Boom 22inch kids bike - boom,

Boom 22inch kids bike - boom,

£139.90
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Stomper ace wheels - gt,

Stomper ace wheels - gt,

£182.70
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Dallingridge melody girls - dallingridge,

Dallingridge melody girls - dallingridge,

£165.99
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Inch mountain bike speed - inch,

Inch mountain bike speed - inch,

£9.48
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Giant black mountain 20inbike - giant,

Giant black mountain 20inbike - giant,

£21.50
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Inch child bike mountain - 20,

Inch child bike mountain - 20,

£116.62
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Vitus kids mtb - 20",

Vitus kids mtb - 20",

£340.00
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Durable self sealing - self-sealing, inner

Durable self sealing - self-sealing, inner

£11.19
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Inch mountain bike speed - inch,

Inch mountain bike speed - inch,

£96.29
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Baldys 125 bmx mountain - 2.125,

Baldys 125 bmx mountain - 2.125,

£34.99
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Yoac mountain bike - 84, full

Yoac mountain bike - 84, full

£158.99
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Kenda krusade fat tyre - kenda, 20/26"

Kenda krusade fat tyre - kenda, 20/26"

£29.99
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Inch mountain bike speed - 20,

Inch mountain bike speed - 20,

£124.46
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Inch mountain bike speed - 20,

Inch mountain bike speed - 20,

£97.99
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Schwalbe marathon plus - schwalbe,

Schwalbe marathon plus - schwalbe,

£69.99
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Inch child bike mountain - 20,

Inch child bike mountain - 20,

£90.99
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Inch mountain bike - 20, speed

Inch mountain bike - 20, speed

£159.99
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Baldys 125 bmx - 20,

Baldys 125 bmx - 20,

£33.99
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Dallingridge melody girls - melody, 20"

Dallingridge melody girls - melody, 20"

£148.99
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Inch mountain bike speed - inch, 7

Inch mountain bike speed - inch, 7

£97.13
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Dallingridge brave junior - brave,

Dallingridge brave junior - brave,

£158.99
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Professional diva wheel - diva, 20"

Professional diva wheel - diva, 20"

£179.99
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Inch kids bike - 18-22,

Inch kids bike - 18-22,

£149.90
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Inch mountain bike - 20, speed

Inch mountain bike - 20, speed

£107.70
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Coyote element axr mens - coyote,

Coyote element axr mens - coyote,

£177.99
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Inch speed child bike - 7-speed,

Inch speed child bike - 7-speed,

£116.63
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Inch unisex mountain bike - inch,

Inch unisex mountain bike - inch,

£116.75
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Meijun mountain bikes road - meijun,

Meijun mountain bikes road - meijun,

£17.76
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Pair ortem toro 1 - of, 1.75

Pair ortem toro 1 - of, 1.75

£16.14
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Kids mountain bike full - bike,

Kids mountain bike full - bike,

£165.99
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Professional dude kids - kids, boys

Professional dude kids - kids, boys

£179.99
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Kids mountain bike 6 - kids,

Kids mountain bike 6 - kids,

£149.99
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Carrera vengeance mens - vengeance,

Carrera vengeance mens - vengeance,

£301.79
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Black mountain hutto - black,

Black mountain hutto - black,

£338.20
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Inch kids bike - 22,

Inch kids bike - 22,

£164.90
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Inch mountain bike speed - inch,

Inch mountain bike speed - inch,

£149.90
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Inch mountain bike speed - bike, 7

Inch mountain bike speed - bike, 7

£99.99
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Inch mountain bike speed - 20,

Inch mountain bike speed - 20,

£95.49
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Inch child bike mountain - child,

Inch child bike mountain - child,

£86.62
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20inch kids bike boys - kids,

20inch kids bike boys - kids,

£159.00
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Inch child bike mountain - inch,

Inch child bike mountain - inch,

£110.79
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Inch child bike mountain - 20,

Inch child bike mountain - 20,

£116.62
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Inch unisex mountain bike - mountain,

Inch unisex mountain bike - mountain,

£132.69
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Falcon samurai inch boys - falcon, 20"

Falcon samurai inch boys - falcon, 20"

£185.99
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Inch verve ultra - ultra, mountain

Inch verve ultra - ultra, mountain

£259.11
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Inch child bike mountain - child,

Inch child bike mountain - child,

£96.29
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Mudguard for folding and - mudguard,

Mudguard for folding and - mudguard,

£12.43
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Economy mtb tyre 1 75 - economy,

Economy mtb tyre 1 75 - economy,

£11.99
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Inch mountain bike - mountain, 7

Inch mountain bike - mountain, 7

£99.74
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Inch unisex bike adult - 20-inch,

Inch unisex bike adult - 20-inch,

£124.99
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Inch mountain bike speed - bike, 7

Inch mountain bike speed - bike, 7

£110.00
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Cyrusher kommodapro electric - kommodapro,

Cyrusher kommodapro electric - kommodapro,

£1399.00
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Sale 20 rrp redshift - !!!sale!!!,

Sale 20 rrp redshift - !!!sale!!!,

£104.69
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📊96 listings · from £3.99 · avg £164.79
⚠️ These listings were last updated more than 8 days ago. Search for fresh listings

Browse 96 20 mountain bikes listings currently in our index. Prices range from £3.99 to £2045.68, with an average of £164.79. 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 bmx bikes | 29er bikes | 29er mtb frame | 3 wheel bike | 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 £2045.68 — giving you a wide budget spread to work with. The average price of £164.79 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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