Mountain bike adults
Mountain bike adults for sale on Ireland's largest auction and classifieds sites
Aili mountain bike - bike, 21 - £149.00
Aili mountain bike • Front suspension mtb • Straighten handlebars speed - Free postage - New and Used
Aili mountain bike • Front suspension mtb • Straighten handlebars speed - Free postage - New and Used
Inch full suspension - full, - £163.12
When locking pedals • Necessary align threads • Then tighten them - Free postage - New and Used
When locking pedals • Necessary align threads • Then tighten them - Free postage - New and Used
Mountain bike inch wheel - mountain, - £219.90
Unique design bikes • Can not only • Shine their inner - Free postage - New and Used
Unique design bikes • Can not only • Shine their inner - Free postage - New and Used
Adult mountain bike front - bike, - £209.90
Assemble guidance this • Bike arrives assembled • Front wheel pedals - Free postage - New and Used
Assemble guidance this • Bike arrives assembled • Front wheel pedals - Free postage - New and Used
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Basis toro mountain bike - el, - £222.99
Gearing taken care • Shimano tourney speed • System indexed using - Free postage - New and Used
Gearing taken care • Shimano tourney speed • System indexed using - Free postage - New and Used
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48 listings · from £52.7 · avg £189.35
⚠️ These listings were last updated more than 19 days ago.
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Browse 48 mountain bike adults listings currently in our index. Prices range from £52.7 to £345, with an average of £189.35. 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 mountain bike adults →
5 29inch mountain - 24/26/27.5/29inch, - £199.90
Assemble guidance this • Bike arrives assembled • Front wheel pedals - Free postage - New and Used
Assemble guidance this • Bike arrives assembled • Front wheel pedals - Free postage - New and Used
Inch wheel adult mountain - 29, - £219.90
Adjustable seat allows • You ride long • Distances comfortably assemble - Free postage - New and Used
Adjustable seat allows • You ride long • Distances comfortably assemble - Free postage - New and Used
Mountain bike 21 speed - mountain, - £219.90
Assemble guidance this • Bike arrives assembled • Front wheel pedals - Free postage - New and Used
Assemble guidance this • Bike arrives assembled • Front wheel pedals - Free postage - New and Used
Inch adult mountain bike 21 - adult, - £219.90
Adjustable seat allows • You ride long • Distances comfortably assemble - Free postage - New and Used
Adjustable seat allows • You ride long • Distances comfortably assemble - Free postage - New and Used
24 inch unisex - 20'', - £134.99
Twoo speed gearing • You have perfect • Gear ratio any - Free postage - New and Used
Twoo speed gearing • You have perfect • Gear ratio any - Free postage - New and Used
Inch mountain folding bike - 26, - £199.99
Inch mountain folding • Bike versatile durable • Adult bicycle off - Free postage - New and Used
Inch mountain folding • Bike versatile durable • Adult bicycle off - Free postage - New and Used
Bike speed full suspension - full, - £161.48
Specifications color black • Bike material carbon • Synthetic leather metal - Free postage - New and Used
Specifications color black • Bike material carbon • Synthetic leather metal - Free postage - New and Used
Mountain bike inch wheel - bike,27.5, - £219.99
Unique design bikes • Can not only • Shine their inner - Free postage - New and Used
Unique design bikes • Can not only • Shine their inner - Free postage - New and Used
Inch mountain bike - 26, - £199.99
Unique design bikes • Can not only • Shine their inner - Free postage - New and Used
Unique design bikes • Can not only • Shine their inner - Free postage - New and Used
Shimano folding mountain bike - folding, - £209.90
Maximum load capacity • Bicycle 330 lbs • Which suitable daily - Free postage - New and Used
Maximum load capacity • Bicycle 330 lbs • Which suitable daily - Free postage - New and Used
Cannondale trail mountain - cannondale, - £291.90
Cannondale trail mountain • Bike like new • Condition barely used - Free postage - New and Used
Cannondale trail mountain • Bike like new • Condition barely used - Free postage - New and Used
Mens mountain bike - bike, mountaineer - £163.10
Specifications color black • Bike material carbon • Synthetic leather metal - Free postage - New and Used
Specifications color black • Bike material carbon • Synthetic leather metal - Free postage - New and Used
Inch adult mountain bike - inch, - £219.90
Adjustable seat allows • You ride long • Distances comfortably assemble - Free postage - New and Used
Adjustable seat allows • You ride long • Distances comfortably assemble - Free postage - New and Used
5 29inch mountain - 24/26/27.5/29inch, - £195.90
Assemble guidance this • Bike arrives assembled • Front wheel pedals - Free postage - New and Used
Assemble guidance this • Bike arrives assembled • Front wheel pedals - Free postage - New and Used
Adult mountain bike front - 24'', - £189.99
Assemble guidance this • Bike arrives assembled • Front wheel pedals - Free postage - New and Used
Assemble guidance this • Bike arrives assembled • Front wheel pedals - Free postage - New and Used
Mens mountain bike mountaineer - bike, - £163.10
Can help you • Double disc brake • Description riding excellent - Free postage - New and Used
Can help you • Double disc brake • Description riding excellent - Free postage - New and Used
New inch bike mountain - 26, - £129.99
Foldable yes suitable • Adults teens folding • Bike speed perfect - Free postage - New and Used
Foldable yes suitable • Adults teens folding • Bike speed perfect - Free postage - New and Used
New inch mountain bike - new, - £169.90
Paired 2.35 extra • Wide anti skid • Tyres unmachined double - Free postage - New and Used
Paired 2.35 extra • Wide anti skid • Tyres unmachined double - Free postage - New and Used
Folding mountain bike 21 - mountain, - £229.99
Spoke foldable design • Mountain bike can • Opened closed seconds - Free postage - New and Used
Spoke foldable design • Mountain bike can • Opened closed seconds - Free postage - New and Used
Speed folding mountain - folding, bike - £144.11
Specifications color black • Bike material carbon • Synthetic leather metal - Free postage - New and Used
Specifications color black • Bike material carbon • Synthetic leather metal - Free postage - New and Used
Inch folding bike 21 - 20", - £129.99
Foldable yes suitable • Adults teens folding • Bike speed full - Free postage - New and Used
Foldable yes suitable • Adults teens folding • Bike speed full - Free postage - New and Used
Bike speed full suspension - bike, - £163.11
Riding excellent exercise • That can help • You keep healthy - Free postage - New and Used
Riding excellent exercise • That can help • You keep healthy - Free postage - New and Used
Basis link full suspension - basis, - £201.99
Mountain bike wheel • Speed shimano bicycle • Handlebars mtb style - Free postage - New and Used
Mountain bike wheel • Speed shimano bicycle • Handlebars mtb style - Free postage - New and Used
Mens mountain bike - mens, 26 - £60.00
Men mountain bike • Aluminium frame front • Suspension tyres suitable - Free postage - New and Used
Men mountain bike • Aluminium frame front • Suspension tyres suitable - Free postage - New and Used
Apollo cosmo mountain bike - apollo, - £52.70
Will sold seen • Via pictures brought • New only used - Free postage - New and Used
Will sold seen • Via pictures brought • New only used - Free postage - New and Used
Shimano 5 mountain - shimano, - £209.90
High quality steel • Assemble guidance this • Bike arrives assembled - Free postage - New and Used
High quality steel • Assemble guidance this • Bike arrives assembled - Free postage - New and Used
Unisex mountain bike speed - bike, 21 - £209.99
Unique design bikes • Can not only • Shine their inner - Free postage - New and Used
Unique design bikes • Can not only • Shine their inner - Free postage - New and Used
Inch folding bikes - 26, - £153.11
Riding excellent exercise • That can help • You keep healthy - Free postage - New and Used
Riding excellent exercise • That can help • You keep healthy - Free postage - New and Used
Inch adult mountain - mountain, bike - £205.90
Assemble guidance this • Bike arrives assembled • Front wheel pedals - Free postage - New and Used
Assemble guidance this • Bike arrives assembled • Front wheel pedals - Free postage - New and Used
Dallingridge viscount mountain - dallingridge, - £211.99
Ever feel like • Those stubborn hills • Demand even easier - Free postage - New and Used
Ever feel like • Those stubborn hills • Demand even easier - Free postage - New and Used
Inch adult mountain bike - inch, - £209.90
Assemble guidance this • Bike arrives assembled • Front wheel pedals - Free postage - New and Used
Assemble guidance this • Bike arrives assembled • Front wheel pedals - Free postage - New and Used
Adults red mountain bike - adults, - £156.70
Brand new - Free postage - New and Used
Brand new - Free postage - New and Used
New inch kids - 22, - £139.90
Wheels brakes gears • Must set fine • Tuned way they - Free postage - New and Used
Wheels brakes gears • Must set fine • Tuned way they - Free postage - New and Used
Folding mountain bike - 24"/26", - £179.99
Folding mountain bike • Full suspension front • Maximum comfort rough - Free postage - New and Used
Folding mountain bike • Full suspension front • Maximum comfort rough - Free postage - New and Used
Ghost kato mountain bike - kato, - £187.90
Suntour front suspension • 100mm travel great • All round hardtail - Free postage - New and Used
Suntour front suspension • 100mm travel great • All round hardtail - Free postage - New and Used
Inch adult mountain bike 21 - adult, - £189.90
Available stylish color • Options black blue • Red pink match - Free postage - New and Used
Available stylish color • Options black blue • Red pink match - Free postage - New and Used
Dallingridge viscount mountain - dallingridge, - £222.99
Ever feel like • Those stubborn hills • Demand even easier - Free postage - New and Used
Ever feel like • Those stubborn hills • Demand even easier - Free postage - New and Used
New aovopro bk520 900 - bk520/900, for - £345.00
250 motor upgraded • Display bk520 electric • Bike equipped 250w - Free postage - New and Used
250 motor upgraded • Display bk520 electric • Bike equipped 250w - Free postage - New and Used
Full suspension mountain - mountain, bike - £229.99
Zoom front suspension • Forks has speed • Gears twist grip - Free postage - New and Used
Zoom front suspension • Forks has speed • Gears twist grip - Free postage - New and Used
Inch folding bikes mens - 26, - £163.11
Description mountain bike • Bicycle carbon steel • Folding frame full - Free postage - New and Used
Description mountain bike • Bicycle carbon steel • Folding frame full - Free postage - New and Used
Dallingridge viscount mountain - dallingridge, - £229.99
All new colour • Way popular viscount • From dallingridge ever - Free postage - New and Used
All new colour • Way popular viscount • From dallingridge ever - Free postage - New and Used
5 29inch mountain - 24/26/27.5/29inch, - £205.90
Assemble guidance this • Bike arrives assembled • Front wheel pedals - Free postage - New and Used
Assemble guidance this • Bike arrives assembled • Front wheel pedals - Free postage - New and Used
Folding mountain bike - folding, - £179.99
Folding mountain bike • Full suspension front • Maximum comfort rough - Free postage - New and Used
Folding mountain bike • Full suspension front • Maximum comfort rough - Free postage - New and Used
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Everything you need to know about mountain bike adults
Whether you are looking for a brand-new or second-hand mountain bike adults, eBay offers one of the largest selections available online. With 48 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 £52.7, while premium listings can reach £345 — giving you a wide budget spread to work with. The average price of £189.35 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.