For Sale UK

Boys 20 mountain bike

4

Boys 20 mountain bike for sale on largest auction and classifieds sites

Home / Bicycles / Boys 20 mountain bike refurbished & used for sale | For Sale UK
Mountain bike disc brakes - mountain,

Mountain bike disc brakes - mountain,

£129.99
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Blue kids bike - bike, 14

Blue kids bike - bike, 14

£79.99
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Mountain bike disc brakes - mountain,

Mountain bike disc brakes - mountain,

£149.99
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Kids mountain bike front - kids,

Kids mountain bike front - kids,

£198.99
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Inch kids bike - 22, 24

Inch kids bike - 22, 24

£165.90
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Inch mountain bike speed - inch, 7

Inch mountain bike speed - inch, 7

£89.99
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Inch mountain bike speed - 20, 7

Inch mountain bike speed - 20, 7

£92.84
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Unisex kids mountain - 20",

Unisex kids mountain - 20",

£97.49
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Inch kids bike - 18-22,

Inch kids bike - 18-22,

£149.90
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Inch unisex mountain bike - 20,

Inch unisex mountain bike - 20,

£123.25
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20inch kids bike boys - kids,

20inch kids bike boys - kids,

£199.00
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Kids mountain bike boys - kids, 20”

Kids mountain bike boys - kids, 20”

£109.00
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20inch kids bike boys girls - boys,

20inch kids bike boys girls - boys,

£199.99
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Inch unisex mountain bike - mountain,

Inch unisex mountain bike - mountain,

£122.54
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New inch unisex - unisex, mountain

New inch unisex - unisex, mountain

£122.54
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Inch unisex mountain bike - 20,

Inch unisex mountain bike - 20,

£122.54
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Kids mountain bike 6 - 20”,

Kids mountain bike 6 - 20”,

£198.99
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Inch mountain bike speed - bike, 7

Inch mountain bike speed - bike, 7

£89.62
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Inch unisex mountain bike - inch,

Inch unisex mountain bike - inch,

£122.55
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Inch kids bike - bike, boys

Inch kids bike - bike, boys

£130.00
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Inch unisex mountain - 20, bike

Inch unisex mountain - 20, bike

£82.74
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Falcon samurai inch boys - falcon, 20"

Falcon samurai inch boys - falcon, 20"

£185.99
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Fox mountain bike clothing - , xl

Fox mountain bike clothing - , xl

£37.10
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New inch unisex - 20,

New inch unisex - 20,

£122.54
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Cycle inch kids mountain - inch,

Cycle inch kids mountain - inch,

£99.50
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Inch unisex mountain - 20,

Inch unisex mountain - 20,

£114.69
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Inch kids mountain bike - kids,

Inch kids mountain bike - kids,

£149.90
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Inch unisex mountain - inch,

Inch unisex mountain - inch,

£123.25
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New inch kids bike - bike, boys

New inch kids bike - bike, boys

£162.90
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Inch unisex mountain - 20, bike

Inch unisex mountain - 20, bike

£122.54
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Inch unisex mountain bike - inch,

Inch unisex mountain bike - inch,

£122.54
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Inch unisex mountain bike - inch,

Inch unisex mountain bike - inch,

£122.57
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Inch kids bike unisex - inch,

Inch kids bike unisex - inch,

£139.90
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Barracuda charge wheel - ,

Barracuda charge wheel - ,

£199.99
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Team white boys mountain - team,

Team white boys mountain - team,

£43.07
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Inch kids bike - 20, 22

Inch kids bike - 20, 22

£164.90
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20inch kids bike for - kids,

20inch kids bike for - kids,

£60.00
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Inch mountain bike speed - inch, 7

Inch mountain bike speed - inch, 7

£95.89
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Inch unisex mountain bike - inch,

Inch unisex mountain bike - inch,

£122.54
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Carrera blast kids - kids, boys

Carrera blast kids - kids, boys

£67.26
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Inch unisex mountain bike - 20,

Inch unisex mountain bike - 20,

£103.55
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Inch unisex mountain bike - inch,

Inch unisex mountain bike - inch,

£122.55
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Inch mountain bike - inch, speed

Inch mountain bike - inch, speed

£97.99
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Inch mountain bike speed - 7,

Inch mountain bike speed - 7,

£97.99
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Inch children mountain bike - 20,

Inch children mountain bike - 20,

£122.55
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Inch unisex mountain bike - inch,

Inch unisex mountain bike - inch,

£122.54
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Inch unisex mountain - inch,

Inch unisex mountain - inch,

£122.55
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Inch mountain bike speed - mountain,

Inch mountain bike speed - mountain,

£99.99
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Inch kids bike boys girls - kids,

Inch kids bike boys girls - kids,

£130.00
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Inch children bicycle - 20,

Inch children bicycle - 20,

£136.93
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Kids mountain bike boys - mountain,

Kids mountain bike boys - mountain,

£199.99
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Inch unisex mountain bike - inch,

Inch unisex mountain bike - inch,

£122.55
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Inch unisex mountain bike - 20,

Inch unisex mountain bike - 20,

£122.60
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Inch unisex mountain - unisex, bike

Inch unisex mountain - unisex, bike

£122.55
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Inch unisex mountain bike - mountain,

Inch unisex mountain bike - mountain,

£122.54
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Inch unisex mountain bike - inch,

Inch unisex mountain bike - inch,

£122.55
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Inch unisex mountain bike - unisex,

Inch unisex mountain bike - unisex,

£76.10
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New inch unisex - unisex, mountain

New inch unisex - unisex, mountain

£122.54
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New inch kids bike - inch,

New inch kids bike - inch,

£162.90
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Inch unisex mountain bike - unisex,

Inch unisex mountain bike - unisex,

£122.55
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Inch unisex mountain bike - inch,

Inch unisex mountain bike - inch,

£122.60
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Boom 22inch kids bike - boom,

Boom 22inch kids bike - boom,

£139.90
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Inch mountain bike - mountain,

Inch mountain bike - mountain,

£121.99
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Inch mountain bike - mountain,

Inch mountain bike - mountain,

£149.98
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Inch mountain bike speed - mountain,

Inch mountain bike speed - mountain,

£105.99
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Inch unisex mountain - 20,

Inch unisex mountain - 20,

£122.55
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Inch mountain bike - 20,

Inch mountain bike - 20,

£92.74
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Falcon jetstream inch boys - falcon,

Falcon jetstream inch boys - falcon,

£181.99
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Inch unisex mountain - 20,

Inch unisex mountain - 20,

£122.54
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Inch mountain bike - 20,

Inch mountain bike - 20,

£114.55
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Inch mountain bike speed - mountain, 7

Inch mountain bike speed - mountain, 7

£98.69
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Professional dude kids boys - professional,

Professional dude kids boys - professional,

£179.99
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22inch kids bike unisex - 18, 20

22inch kids bike unisex - 18, 20

£145.90
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Inch mountain bike - mountain,

Inch mountain bike - mountain,

£97.89
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Inch unisex mountain bike - unisex,

Inch unisex mountain bike - unisex,

£122.55
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Inch kids bike - 18-24,

Inch kids bike - 18-24,

£169.90
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New inch unisex - 20, mountain

New inch unisex - 20, mountain

£122.54
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New inch kids - new,

New inch kids - new,

£162.90
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Inch mountain bike speed - 7,

Inch mountain bike speed - 7,

£115.99
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Glerc skyline kids mountain - kids,

Glerc skyline kids mountain - kids,

£324.73
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Inch unisex mountain bike - inch,

Inch unisex mountain bike - inch,

£122.54
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New inch unisex mountain - unisex,

New inch unisex mountain - unisex,

£92.54
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Inch mountain bike - 20,

Inch mountain bike - 20,

£129.99
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Inch mountain bike speed - 20, 7

Inch mountain bike speed - 20, 7

£146.86
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Inch mountain bike - mountain, speed

Inch mountain bike - mountain, speed

£118.95
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Inch unisex mountain bike - 20,

Inch unisex mountain bike - 20,

£122.54
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New inch unisex mountain - inch,

New inch unisex mountain - inch,

£122.54
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New inch unisex mountain - inch,

New inch unisex mountain - inch,

£92.54
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Mountain bike speed - mountain,

Mountain bike speed - mountain,

£109.99
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New 22inch kids - 18-22inch, bike

New 22inch kids - 18-22inch, bike

£145.90
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New inch wheel bike - 18,

New inch wheel bike - 18,

£139.90
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Inch unisex mountain - inch,

Inch unisex mountain - inch,

£121.31
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Kids mountain bike - kids, 7-speed

Kids mountain bike - kids, 7-speed

£157.99
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Cube 200 boys - 20",

Cube 200 boys - 20",

£1026.69
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Inch unisex mountain - inch,

Inch unisex mountain - inch,

£122.67
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Inch unisex mountain - 20,

Inch unisex mountain - 20,

£122.54
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Looking for more boys 20 mountain bike?

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📊96 listings · from £37.1 · avg £137.5

Browse 96 boys 20 mountain bike listings currently in our index. Prices range from £37.1 to £1026.69, with an average of £137.5. 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 boys 20 mountain bike →

Try this: pashley cycles | electra cruiser bike | raleigh montage | folding shopper bike | giant defy bike | mens mountain bikes | fuji bikes | city bike | full carbon road bike | ridgeback bike

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Everything you need to know about boys 20 mountain bike

Whether you are looking for a brand-new or second-hand boys 20 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 £37.1, while premium listings can reach £1026.69 — giving you a wide budget spread to work with. The average price of £137.5 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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