Giant bicycles
Giant bicycles for sale on Ireland's largest auction and classifieds sites
Light use giant fastroad - use, - £460.00
Light use giant • Fastroad advanced comax • Carbon hybrid bike - Free postage - New and Used
Light use giant • Fastroad advanced comax • Carbon hybrid bike - Free postage - New and Used
Giant slr2 carbon wheelset - slr2, - £208.70
Giant carbon wheelset • 700c spokes rear • Wheel slr2 front - Free postage - New and Used
Giant carbon wheelset • 700c spokes rear • Wheel slr2 front - Free postage - New and Used
2025 giant propel advanced - propel, 1 - £2658.70
Shimano 105 di2 • R7170 2x12 speed • Electronic front derailleur - Free postage - New and Used
Shimano 105 di2 • R7170 2x12 speed • Electronic front derailleur - Free postage - New and Used
Giant defy advanced pro - defy, - £1052.20
- Free postage - New and Used
- Free postage - New and Used
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Giant trance advanced pro 2 - trance, - £1399.00
Giant trance advanced • Medium carbon frame • Fox fork shimano - Free postage - New and Used
Giant trance advanced • Medium carbon frame • Fox fork shimano - Free postage - New and Used
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48 listings · from £68.3 · avg £635.06
⚠️ These listings were last updated more than 18 days ago.
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Browse 48 giant bicycles listings currently in our index. Prices range from £68.3 to £3800, with an average of £635.06. 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 giant bicycles →
Giant propel advanced aero - propel, - £720.70
This giant propel • Advanced lightweight carbon • Fibre machine serious - Free postage - New and Used
This giant propel • Advanced lightweight carbon • Fibre machine serious - Free postage - New and Used
Giant defy advanced pro - advanced, 2 - £1841.68
This immaculate medium • Frame giant defy • Advanced pro high - Free postage - New and Used
This immaculate medium • Frame giant defy • Advanced pro high - Free postage - New and Used
Giant contend 2023 - contend, 3 - £460.60
Approach giant sport • 80mm 90mm 110mm • Connect 42cm platform - Free postage - New and Used
Approach giant sport • 80mm 90mm 110mm • Connect 42cm platform - Free postage - New and Used
Giant contend size - contend, 1 - £363.70
Giant contend sleek • Road bike unisex • Adults lightweight aluminium - Free postage - New and Used
Giant contend sleek • Road bike unisex • Adults lightweight aluminium - Free postage - New and Used
Giant roam hybrid bike - giant, - £250.00
Gian roam dark • Grey 700x38c giant • Crosscut tyres fork - Free postage - New and Used
Gian roam dark • Grey 700x38c giant • Crosscut tyres fork - Free postage - New and Used
Giant toughroad slr gravel - giant, - £389.20
Rack included required • Price handlebar giant • Connect 68cm tyres - Free postage - New and Used
Rack included required • Price handlebar giant • Connect 68cm tyres - Free postage - New and Used
Giant liv avail road - giant, 5 - £291.90
Features such reflectors • Adjustable seat derailleur • Gears this bike - Free postage - New and Used
Features such reflectors • Adjustable seat derailleur • Gears this bike - Free postage - New and Used
Classic 2004 giant tcr - classic, 1 - £395.00
Stunning looking bike • Condition years age • Chainset fsa carbon - Free postage - New and Used
Stunning looking bike • Condition years age • Chainset fsa carbon - Free postage - New and Used
Giant fastroad hybrid bike - giant, - £414.70
Great condition giant • Fastroad ideal commuting • Fitness riding specs - Free postage - New and Used
Great condition giant • Fastroad ideal commuting • Fitness riding specs - Free postage - New and Used
Giant cypress aluminium - giant, lx - £156.70
Great bike has • Memory foam suspension • Seat fromt forks - Free postage - New and Used
Great bike has • Memory foam suspension • Seat fromt forks - Free postage - New and Used
Giant inches wheels hybrid - 28, - £145.26
Children kids boy • Girl used bicycles • From full service - Free postage - New and Used
Children kids boy • Girl used bicycles • From full service - Free postage - New and Used
Giant fastroad medium - giant, - £350.00
Fully serviced cytech • Qualified bike mechanic • Great condition has - Free postage - New and Used
Fully serviced cytech • Qualified bike mechanic • Great condition has - Free postage - New and Used
Giant tcr advanced pro - giant, - £2301.70
2026 frameset brand • New complete cadex • Race bars bar - Free postage - New and Used
2026 frameset brand • New complete cadex • Race bars bar - Free postage - New and Used
Men giant scr - men’s, 2.0 - £172.30
This bike ready • Ride away has • Been serviced checked - Free postage - New and Used
This bike ready • Ride away has • Been serviced checked - Free postage - New and Used
Giant expression size - expression, s - £83.89
Giant expression step • Through bicycle blue - Free postage - New and Used
Giant expression step • Through bicycle blue - Free postage - New and Used
Retro 1990 giant cadex 980 - 1990’s, - £450.00
Saddle everyone retro • Favourite headset campagnolo • Large giant spacer - Free postage - New and Used
Saddle everyone retro • Favourite headset campagnolo • Large giant spacer - Free postage - New and Used
Giant liv thrive - flat, bar - £414.70
Giant liv thrive • Flat bar road • Bike medium excellent - Free postage - New and Used
Giant liv thrive • Flat bar road • Bike medium excellent - Free postage - New and Used
Giant propel advanced - propel, - £3800.00
- Free postage - New and Used
- Free postage - New and Used
Giant avail road bike - giant, - £250.00
Great looking giant • Avail white blue • Green decals all - Free postage - New and Used
Great looking giant • Avail white blue • Green decals all - Free postage - New and Used
Giant roam hybrid bike - roam, - £239.90
Although will fit • From compact frame • Lots saddle adjustment - Free postage - New and Used
Although will fit • From compact frame • Lots saddle adjustment - Free postage - New and Used
Giant mountain bike rebuilt - rebuilt, / - £291.90
Rockshox tora air • Suspension fork mavic • 717 rims shimano - Free postage - New and Used
Rockshox tora air • Suspension fork mavic • 717 rims shimano - Free postage - New and Used
Giant crs speed hybrid - giant, 21 - £68.30
Here have giant • Crs hybrid bike • Which needs set - Free postage - New and Used
Here have giant • Crs hybrid bike • Which needs set - Free postage - New and Used
Giant fastroad hybrid - fastroad, bike - £414.70
Giant fastroad hybrid • Bike large frame • Gears shimano 105 - Free postage - New and Used
Giant fastroad hybrid • Bike large frame • Gears shimano 105 - Free postage - New and Used
Giant hybrid bike - hybrid, - £177.50
Sale second hand • Giant hybrid bike • Good overall condition - Free postage - New and Used
Sale second hand • Giant hybrid bike • Good overall condition - Free postage - New and Used
Giant defy road - defy, - £135.90
Need both new • Tyres apart that • All good just - Free postage - New and Used
Need both new • Tyres apart that • All good just - Free postage - New and Used
Giant road bike - giant, - £187.90
Bike has chip • Paintwork otherwise very • Good condition paired - Free postage - New and Used
Bike has chip • Paintwork otherwise very • Good condition paired - Free postage - New and Used
Giant tcr speed road bike - 2, - £182.70
Giant tcr stands • Total compact road • Debuted its positioning - Free postage - New and Used
Giant tcr stands • Total compact road • Debuted its positioning - Free postage - New and Used
Giant tcr advanced pro 2021 - pro, - £1720.30
Giant tcr advanced • Pro 2021 race • Carbon wheelset 42mm - Free postage - New and Used
Giant tcr advanced • Pro 2021 race • Carbon wheelset 42mm - Free postage - New and Used
Giant tcx advanced pro2 - giant, - £1587.70
Giant disc wheelset • 12mm thru axle • 25mm inner rim - Free postage - New and Used
Giant disc wheelset • 12mm thru axle • 25mm inner rim - Free postage - New and Used
Giant tcr advanced - giant, ultegra - £999.00
Shimano ultegra 6800 • C2w cycle work • Finance available model - Free postage - New and Used
Shimano ultegra 6800 • C2w cycle work • Finance available model - Free postage - New and Used
Giant scr2 road - scr2, large - £300.00
Washed oiled awaiting • Forever home light • Scuffs great bike - Free postage - New and Used
Washed oiled awaiting • Forever home light • Scuffs great bike - Free postage - New and Used
Giant arx bike - -, - £125.50
Giant arx bike • Blue high quality • Made from aluminium - Free postage - New and Used
Giant arx bike • Blue high quality • Made from aluminium - Free postage - New and Used
Giant mountain bike - giant, - £187.90
Hello have giant • Sale bike has • New brakes front - Free postage - New and Used
Hello have giant • Sale bike has • New brakes front - Free postage - New and Used
Giant hybrid road bike - hybrid, men’s - £104.70
Giant hybrid road • Bike men high • Sleek grey colour - Free postage - New and Used
Giant hybrid road • Bike men high • Sleek grey colour - Free postage - New and Used
Giant fastroad slr - giant, flat - £312.70
Giant slr fastroad • Hybrid large bike • Decent condition spent - Free postage - New and Used
Giant slr fastroad • Hybrid large bike • Decent condition spent - Free postage - New and Used
Giant tcr advanced - giant, - £2097.70
Shimano dura ace • Giant tcr advance • Di2 ultegra speed - Free postage - New and Used
Shimano dura ace • Giant tcr advance • Di2 ultegra speed - Free postage - New and Used
Giant defy aluxx medium - giant, 0 - £414.70
Good condition very • Little use everything • Photoigraph included shoes - Free postage - New and Used
Good condition very • Little use everything • Photoigraph included shoes - Free postage - New and Used
Giant mens road bike - giant, - £84.38
Giant men road • Bike high quality • Striking blue colour - Free postage - New and Used
Giant men road • Bike high quality • Striking blue colour - Free postage - New and Used
Giant tcr2 road bike - tcr2, - £286.70
Forks giant aero • Carbon ideal triathlon • Sportive bike high - Free postage - New and Used
Forks giant aero • Carbon ideal triathlon • Sportive bike high - Free postage - New and Used
Giant fastroad 2023 - ar, - £567.69
Year 2023 fitness • Training rides condition • Excellent very lightly - Free postage - New and Used
Year 2023 fitness • Training rides condition • Excellent very lightly - Free postage - New and Used
Giant engergypak 500 - , battery - £312.70
Sale have giant • Energypak 500 work • Yamaha systems holds - Free postage - New and Used
Sale have giant • Energypak 500 work • Yamaha systems holds - Free postage - New and Used
Giant defy aluxx road bike - £135.00
Giant defy aluxx • Road bike large • High quality sleek - Free postage - New and Used
Giant defy aluxx • Road bike large • High quality sleek - Free postage - New and Used
Giant contend road bike - giant, - £516.70
Good condition few • Marks frame from • Mudguards tubeless ready - Free postage - New and Used
Good condition few • Marks frame from • Mudguards tubeless ready - Free postage - New and Used
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Everything you need to know about giant bicycles
Whether you are looking for a brand-new or second-hand giant bicycles, 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 £68.3, while premium listings can reach £3800 — giving you a wide budget spread to work with. The average price of £635.06 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.