For Sale UK

20 mountain bikes

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20 mountain bikes for sale on Ireland's largest auction and classifieds sites

Home / eBay / 20 mountain bikes refurbished & used for sale | For Sale UK
Schwalbe marathon puncture - marathon,

Schwalbe marathon puncture - marathon,

£24.95 · Buy It Now

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24 inch unisex - 22'', 24''

24 inch unisex - 22'', 24''

£189.99 · Buy It Now

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Inch mountain bike - 7, speed

Inch mountain bike - 7, speed

£139.99 · Buy It Now

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Specialized rockhopper - rockhopper, 29

Specialized rockhopper - rockhopper, 29

£170.24 · Buy It Now

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Barracuda charge wheel - , 20"

Barracuda charge wheel - , 20"

£199.99 · Buy It Now

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Durable self sealing inner - self-sealing,

Durable self sealing inner - self-sealing,

£7.79 · Buy It Now

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Front and rear - front,

Front and rear - front,

£3.99 · Buy It Now

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Inch bike adult teenager - 24, adult&teenager

Inch bike adult teenager - 24, adult&teenager

£169.90 · Buy It Now

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Kenda smoke 95 black - 1.95,

Kenda smoke 95 black - 1.95,

£29.99 · Buy It Now

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Litre muk junkie off - 20,

Litre muk junkie off - 20,

£39.95 · Buy It Now

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Inch mountain bike - inch,

Inch mountain bike - inch,

£109.99 · Buy It Now

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Kenda red white - 1.95, blue

Kenda red white - 1.95, blue

£24.99 · Buy It Now

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Baldys black bmx - baldys, 20

Baldys black bmx - baldys, 20

£28.99 · Buy It Now

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Giant talon mountain bike - giant,

Giant talon mountain bike - giant,

£250.30 · Buy It Now

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All terrain 0 - 20", 4.0"fat

All terrain 0 - 20", 4.0"fat

£799.99 · Buy It Now

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Children mountain bike - 20'',

Children mountain bike - 20'',

£132.69 · Buy It Now

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New 24 kids - new, 24"

New 24 kids - new, 24"

£164.90 · Buy It Now

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Electric mountain bikes for - electric,

Electric mountain bikes for - electric,

£698.40 · Buy It Now

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Professional dude kids boys - kids,

Professional dude kids boys - kids,

£179.99 · Buy It Now

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Yoac mountain bike full - mountain,

Yoac mountain bike full - mountain,

£159.99 · Buy It Now

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Unisex kids mountain bike - unisex,

Unisex kids mountain bike - unisex,

£156.70 · Buy It Now

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Inch mountain bike - 24,

Inch mountain bike - 24,

£169.90 · Buy It Now

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Inch unisex mountain bike - unisex,

Inch unisex mountain bike - unisex,

£132.68 · Buy It Now

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Kids mountain bike - mountain,

Kids mountain bike - mountain,

£193.10 · Buy It Now

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Basis princess girls - basis,

Basis princess girls - basis,

£186.99 · Buy It Now

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Yoac mountain bike dual - yoac,

Yoac mountain bike dual - yoac,

£158.99 · Buy It Now

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New inch mountain bike - new, 20

New inch mountain bike - new, 20

£169.90 · Buy It Now

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Inch mountain bike - mountain, 7

Inch mountain bike - mountain, 7

£94.29 · Buy It Now

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Inch speed child bike - 20,

Inch speed child bike - 20,

£136.92 · Buy It Now

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48v bafang mid - 48v, kit

48v bafang mid - 48v, kit

£545.95 · Buy It Now

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Bk20 electric motorcycle - bk20,

Bk20 electric motorcycle - bk20,

£619.00 · Buy It Now

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Headeer bk20 electric - electric, bicycle-

Headeer bk20 electric - electric, bicycle-

£589.00 · Buy It Now

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Apollo phaze speed mens - phaze, 18-speed

Apollo phaze speed mens - phaze, 18-speed

£159.89 · Buy It Now

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Dallingridge brave junior - dallingridge,

Dallingridge brave junior - dallingridge,

£183.99 · Buy It Now

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1pcs 20x1 75 durable - 1pcs, 20x1.50‑1.75

1pcs 20x1 75 durable - 1pcs, 20x1.50‑1.75

£9.42 · Buy It Now

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20inch kids bike - 20inch,

20inch kids bike - 20inch,

£149.90 · Buy It Now

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Basis raptor junior - junior, hardtail

Basis raptor junior - junior, hardtail

£175.99 · Buy It Now

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Inch mountain bike speed - 7,

Inch mountain bike speed - 7,

£83.99 · Buy It Now

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Bucklos 20inch folding bmx - 20inch, xc

Bucklos 20inch folding bmx - 20inch, xc

£69.99 · Buy It Now

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Hot fat tire electric - hot,

Hot fat tire electric - hot,

£979.00 · Buy It Now

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Kids mountain bike - 20”, 6

Kids mountain bike - 20”, 6

£149.99 · Buy It Now

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New inch kids bike - 22,

New inch kids bike - 22,

£169.90 · Buy It Now

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Transparent anti scratch - transparent, anti-scratch

Transparent anti scratch - transparent, anti-scratch

£4.99 · Buy It Now

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Falcon samurai inch - falcon, 20"

Falcon samurai inch - falcon, 20"

£185.99 · Buy It Now

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Yoac mountain bike 18 dual - bike,

Yoac mountain bike 18 dual - bike,

£179.99 · Buy It Now

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Kenda krusade fat tyre - tyre, 20/26"

Kenda krusade fat tyre - tyre, 20/26"

£29.99 · Buy It Now

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Bbb bsp sky scraper seat - bbb-bsp-20,

Bbb bsp sky scraper seat - bbb-bsp-20,

£31.99 · Buy It Now

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Black mountain hutto inch - black,

Black mountain hutto inch - black,

£363.70 · Buy It Now

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New inch kids bike boys - new, 18-22

New inch kids bike boys - new, 18-22

£162.90 · Buy It Now

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Inch mountain bike - inch,

Inch mountain bike - inch,

£103.99 · Buy It Now

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Girls mountain bike 20 - girls, 18"

Girls mountain bike 20 - girls, 18"

£129.99 · Buy It Now

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Coyote element axr mens - coyote,

Coyote element axr mens - coyote,

£177.99 · Buy It Now

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Inch mountain bike speed - mountain, 7

Inch mountain bike speed - mountain, 7

£107.70 · Buy It Now

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Schwalbe marathon plus tyre - plus,

Schwalbe marathon plus tyre - plus,

£25.48 · Buy It Now

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Inch mountain bike speed - inch,

Inch mountain bike speed - inch,

£105.73 · Buy It Now

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Lightweight carbon seatpost - lightweight,

Lightweight carbon seatpost - lightweight,

£44.99 · Buy It Now

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Orbea 20in unisex kids - mx,

Orbea 20in unisex kids - mx,

£250.00 · Buy It Now

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Kids mountain bike - mountain,

Kids mountain bike - mountain,

£99.00 · Buy It Now

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Inch child bike - 20,

Inch child bike - 20,

£136.91 · Buy It Now

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Professional diva wheel - diva, 20"

Professional diva wheel - diva, 20"

£179.99 · Buy It Now

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20inch kids bike boys girls - kids,

20inch kids bike boys girls - kids,

£149.99 · Buy It Now

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Kids mountain bike disc - mountain,

Kids mountain bike disc - mountain,

£149.99 · Buy It Now

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Baldys 125 bmx mountain - baldys, x

Baldys 125 bmx mountain - baldys, x

£34.99 · Buy It Now

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Mountain bikes for sale - mountain,

Mountain bikes for sale - mountain,

£187.90 · Buy It Now

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Felt q20 inch kids - felt, q20-s

Felt q20 inch kids - felt, q20-s

£177.50 · Buy It Now

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Inch mountain bike speed - 20,

Inch mountain bike speed - 20,

£90.99 · Buy It Now

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Carrera blast unisex - carrera,

Carrera blast unisex - carrera,

£161.90 · Buy It Now

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Bbb sky scraper - sky, post

Bbb sky scraper - sky, post

£31.19 · Buy It Now

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Kids mountain bike full - kids,

Kids mountain bike full - kids,

£169.99 · Buy It Now

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Inch mountain bike speed - inch,

Inch mountain bike speed - inch,

£98.99 · Buy It Now

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Electric mountain bikes - 20",

Electric mountain bikes - 20",

£529.00 · Buy It Now

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Inch mountain bike speed - 20,

Inch mountain bike speed - 20,

£89.99 · Buy It Now

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Baldys 125 bmx - 2.125,

Baldys 125 bmx - 2.125,

£33.99 · Buy It Now

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Fat tyre electric bike - electric,

Fat tyre electric bike - electric,

£1349.00 · Buy It Now

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Kids mountain bike - 20",

Kids mountain bike - 20",

£149.99 · Buy It Now

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Inch mountain bike - 7, speed

Inch mountain bike - 7, speed

£92.74 · Buy It Now

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Inch kids bike children - bike,

Inch kids bike children - bike,

£125.99 · Buy It Now

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Inch kids bike - 18-24,

Inch kids bike - 18-24,

£139.90 · Buy It Now

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Inch kids bike girls - kids,

Inch kids bike girls - kids,

£159.90 · Buy It Now

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Inch mountain bike - 20,

Inch mountain bike - 20,

£99.99 · Buy It Now

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Inch kids bike - 18,

Inch kids bike - 18,

£164.90 · Buy It Now

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Inch mountain bike speed - bike, 7

Inch mountain bike speed - bike, 7

£121.99 · Buy It Now

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Basis gator mountain - basis, bike

Basis gator mountain - basis, bike

£191.99 · Buy It Now

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Inch mountain bike - mountain,

Inch mountain bike - mountain,

£128.40 · Buy It Now

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Orbea wheels kids mountain - wheels,

Orbea wheels kids mountain - wheels,

£234.70 · Buy It Now

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Kids mountain bike boys - bike, 20”

Kids mountain bike boys - bike, 20”

£159.99 · Buy It Now

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Schwalbe marathon plus - schwalbe,

Schwalbe marathon plus - schwalbe,

£69.99 · Buy It Now

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Scott scale - scott, (20”

Scott scale - scott, (20”

£134.86 · Buy It Now

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Carrera blast wheels - carrera, 20"

Carrera blast wheels - carrera, 20"

£208.70 · Buy It Now

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Halfords apollo zest - apollo,

Halfords apollo zest - apollo,

£54.78 · Buy It Now

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Inch mountain bike - bike, 7

Inch mountain bike - bike, 7

£94.99 · Buy It Now

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Inch kids bike - 20, 24

Inch kids bike - 20, 24

£149.90 · Buy It Now

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Inch mountain bike - mountain, speed

Inch mountain bike - mountain, speed

£95.99 · Buy It Now

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Kids mountain bike - mountain, 7

Kids mountain bike - mountain, 7

£149.99 · Buy It Now

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Samsung ebike battery 60v - samsung,

Samsung ebike battery 60v - samsung,

£299.00 · Buy It Now

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Bucklos mtb air - mtb,

Bucklos mtb air - mtb,

£104.55 · Buy It Now

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📊96 listings · from £3.99 · avg £182.53
⚠️ These listings were last updated more than 23 days ago. Search for fresh listings

Browse 96 20 mountain bikes listings currently in our index. Prices range from £3.99 to £1349, with an average of £182.53. 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: 20 pence coins | 20 sided dice | 20 subwoofer | 20 trials bike | 20 wheels | 20 x 10 sheds | 200 amp mig welder | 2000 cbr 929 | 2000 lexus | 2000 psi pressure washer

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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 £1349 — giving you a wide budget spread to work with. The average price of £182.53 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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