Cog
Cog for sale on Ireland's largest auction and classifieds sites
Single speed freewheel - speed, - £5.48
Single speed freewheel • Upgrade replace your • Available in16t 18t - Free postage - New and Used
Single speed freewheel • Upgrade replace your • Available in16t 18t - Free postage - New and Used
Kart senzo pro rear - kart, - £19.13
4.1mm fixed sprocket • Introducing senzo cnc • Where precision meets - Free postage - New and Used
4.1mm fixed sprocket • Introducing senzo cnc • Where precision meets - Free postage - New and Used
Ebike freewheel ata - ebike, - £18.89
32t speed cog • Teeth 13t 14t • 16t 18t 20t - Free postage - New and Used
32t speed cog • Teeth 13t 14t • 16t 18t 20t - Free postage - New and Used
Cycle bicycle bike sunrace - cycle-bicycle-bike, - £13.00
Sunrace speed screw • Freewheel shimano compatible • Work very hard - Free postage - New and Used
Sunrace speed screw • Freewheel shimano compatible • Work very hard - Free postage - New and Used
Looking for more cog?
Search eBay live — fresh results filtered for the best value, updated every hour.
Nrp single speed cog - single, sprocket - £1.99
Nrp single speed • Cog sprocket 15t • Shimano fit - Free postage - New and Used
Nrp single speed • Cog sprocket 15t • Shimano fit - Free postage - New and Used
📊
48 listings · from £1.99 · avg £13.3
⚠️ These listings were last updated more than 8 days ago.
Search for fresh listings
Browse 48 cog listings currently in our index. Prices range from £1.99 to £63.1, with an average of £13.3. 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 cog →
Single speed 12t 14t - 12t, 16t - £5.80
Single speed bicycle • Freewheel teeth design • Thread depth 10.5mm - Free postage - New and Used
Single speed bicycle • Freewheel teeth design • Thread depth 10.5mm - Free postage - New and Used
Tanke 18t single speed - tanke, - £16.31
Mtb bicycle cassette • Freewheel single speed • Mountain bike flywheel - Free postage - New and Used
Mtb bicycle cassette • Freewheel single speed • Mountain bike flywheel - Free postage - New and Used
Vintage fixie track - track, bicycle - £5.95
You will need • Attach pedals handlebars • Saddle front wheel - Free postage - New and Used
You will need • Attach pedals handlebars • Saddle front wheel - Free postage - New and Used
Bike cassette freewheel - bike, - £2.34
Bike rear cassette • Cog removerbicycle repair • Tool freewheel socket - Free postage - New and Used
Bike rear cassette • Cog removerbicycle repair • Tool freewheel socket - Free postage - New and Used
Bike cycle bicycle - bike-cycle-bicycle, sturmey - £4.00
Sprocket suitable chains • Teeth are dished • Work very hard - Free postage - New and Used
Sprocket suitable chains • Teeth are dished • Work very hard - Free postage - New and Used
Cog lead ribbed rubber - cog, - £47.50
They are 19mm • Long 6mm wide • Available weedy muddy - Free postage - New and Used
They are 19mm • Long 6mm wide • Available weedy muddy - Free postage - New and Used
Bucklos 12 speed mtb - speed, - £45.82
Bucklos bike cassette • Speed minimum sprocket • 11t other sprockets - Free postage - New and Used
Bucklos bike cassette • Speed minimum sprocket • 11t other sprockets - Free postage - New and Used
Bicycle bike freewheel chain - bike, - £5.19
Freewheel remover chain • Pins provide strength • Toughest jobs high - Free postage - New and Used
Freewheel remover chain • Pins provide strength • Toughest jobs high - Free postage - New and Used
Shimano tourney tz500 7 - tourney, mf-tz500-7 - £11.59
Shimano 500 combination • Chain speed type • Weight 440g package - Free postage - New and Used
Shimano 500 combination • Chain speed type • Weight 440g package - Free postage - New and Used
Shimano hg200 speed - shimano, - £11.95
Best results smoothest • Shifting use speed • Shimano chains hg40 - Free postage - New and Used
Best results smoothest • Shifting use speed • Shimano chains hg40 - Free postage - New and Used
Kart premium quality senzo - go, - £10.74
Cnc grooving • Machining process that • Involves removing material - Free postage - New and Used
Cnc grooving • Machining process that • Involves removing material - Free postage - New and Used
Shimano alivio hg400 speed - shimano, - £13.99
Shimano alivio hg400 • Speed cassette 32t • 34t responsive smooth - Free postage - New and Used
Shimano alivio hg400 • Speed cassette 32t • 34t responsive smooth - Free postage - New and Used
Speed 28t bike bicycle - 6, - £9.99
Freewheel cog screw • Type easy install • Screwing hand pedaling - Free postage - New and Used
Freewheel cog screw • Type easy install • Screwing hand pedaling - Free postage - New and Used
Single speed freewheel x - speed, - £6.30
Single speed bicycle • Freewheel teeth design • Material steel - Free postage - New and Used
Single speed bicycle • Freewheel teeth design • Material steel - Free postage - New and Used
Cassette lock ring for 11t - ring, cog - £2.99
Will fit shimano • Sunrace sram but • Not campagnolo they - Free postage - New and Used
Will fit shimano • Sunrace sram but • Not campagnolo they - Free postage - New and Used
Sturmey archer speed - sturmey, - £5.48
You want double • Check sprocket send • Will dished not - Free postage - New and Used
You want double • Check sprocket send • Will dished not - Free postage - New and Used
Bmx bicycle bike 18t teeth - bicycle, - £6.13
Single speed bicycle • Freewheel teeth design • Material steel - Free postage - New and Used
Single speed bicycle • Freewheel teeth design • Material steel - Free postage - New and Used
Single speed freewheel - speed, - £10.99
Fixie style single • Speed conversions freewheel • Side fits standard - Free postage - New and Used
Fixie style single • Speed conversions freewheel • Side fits standard - Free postage - New and Used
Shimano mx30 single speed - dx, - £33.48
Shimano mx30 freewheel • Ideal bmx old • Mid new school - Free postage - New and Used
Shimano mx30 freewheel • Ideal bmx old • Mid new school - Free postage - New and Used
Bucklos mtb road bike - road, - £8.80
Bike cassette • Shimano sram mountain • Hub condition 100 - Free postage - New and Used
Bike cassette • Shimano sram mountain • Hub condition 100 - Free postage - New and Used
Gusset doublesix cog single - gusset, ss - £14.99
19t type spline • Compatible - Free postage - New and Used
19t type spline • Compatible - Free postage - New and Used
Reverse components shimano - components, hg - £13.73
Single speed • Reverse components shimano • Sprocket upgrade your - Free postage - New and Used
Single speed • Reverse components shimano • Sprocket upgrade your - Free postage - New and Used
Replacement bendix gear - replacement, - £4.29
New starter motor • Tooth pinion gear • Fits briggs stratton - Free postage - New and Used
New starter motor • Tooth pinion gear • Fits briggs stratton - Free postage - New and Used
24t 34mm x 1 8 - 34mm, brown - £10.57
One freewheel runs • Chain noah theo • Leading supplier quality - Free postage - New and Used
One freewheel runs • Chain noah theo • Leading supplier quality - Free postage - New and Used
16t bike sprocket fixed - 16t, - £29.95
Screws standard 1.37 • Tpi wheel thread • Which - Free postage - New and Used
Screws standard 1.37 • Tpi wheel thread • Which - Free postage - New and Used
Gates carbon drive cdx - gates, - £63.10
Brand new unused • Gates cdx front • Sprocket chainring never - Free postage - New and Used
Brand new unused • Gates cdx front • Sprocket chainring never - Free postage - New and Used
16t bike sprocket fixed - 16t, - £6.95
Screws standard 1.37 • Tpi wheel thread • Which - Free postage - New and Used
Screws standard 1.37 • Tpi wheel thread • Which - Free postage - New and Used
Bicycle speed 11t 12t - bicycle, 11 - £5.68
Tooth ratio 11t • 12t 13t mtb • Bike sprocket freewheel - Free postage - New and Used
Tooth ratio 11t • 12t 13t mtb • Bike sprocket freewheel - Free postage - New and Used
Bicycle bike freewheel - bike, - £5.48
Freewheel remover chain • Pins provide strength • Toughest jobs high - Free postage - New and Used
Freewheel remover chain • Pins provide strength • Toughest jobs high - Free postage - New and Used
14t 34mm x - 14t, 1/2" - £10.57
Runs chain width • Freewheel 23.5mm one • Noah theo leading - Free postage - New and Used
Runs chain width • Freewheel 23.5mm one • Noah theo leading - Free postage - New and Used
Shimano dura ace track single - ace, - £22.69
New products unsatisfied • Add favorites wheel • Accessories get all - Free postage - New and Used
New products unsatisfied • Add favorites wheel • Accessories get all - Free postage - New and Used
Sturmey archer rear - sturmey, - £7.49
- Free postage - New and Used
- Free postage - New and Used
Ata kdf 20a - ata, single-speed - £5.99
Single speed freewheel • Bmx kids bike • Etc teeth sprocket - Free postage - New and Used
Single speed freewheel • Bmx kids bike • Etc teeth sprocket - Free postage - New and Used
Shimano hg41 speed mtb - shimano, - £4.38
Shimano hg41 speed • 32t used good • Condition day returns - Free postage - New and Used
Shimano hg41 speed • 32t used good • Condition day returns - Free postage - New and Used
16t bike sprocket fixed - x, - £24.95
16t sprocket you • Sprockets this fixed • Gear single speed - Free postage - New and Used
16t sprocket you • Sprockets this fixed • Gear single speed - Free postage - New and Used
Gusset single speed - ss, - £22.99
Fancy converting your • Singlespeed bike this • Conversion kit will - Free postage - New and Used
Fancy converting your • Singlespeed bike this • Conversion kit will - Free postage - New and Used
Bicycle bike freewheel chain - bike, - £5.19
Freewheel remover chain • Pins provide strength • Toughest jobs high - Free postage - New and Used
Freewheel remover chain • Pins provide strength • Toughest jobs high - Free postage - New and Used
Sturmey archer rear - rear, bike - £5.99
All are silver • Pitch used speed • Cycles starcycle spares - Free postage - New and Used
All are silver • Pitch used speed • Cycles starcycle spares - Free postage - New and Used
Bicycle bike freewheel - bicycle, - £6.39
Freewheel remover chain • Whip has long • Handle grip essential - Free postage - New and Used
Freewheel remover chain • Whip has long • Handle grip essential - Free postage - New and Used
Shimano tourney tz500 7 - shimano, - £13.95
Freewheel cassette cog • Shimano tourney tz500 • High quality bike - Free postage - New and Used
Freewheel cassette cog • Shimano tourney tz500 • High quality bike - Free postage - New and Used
Miche fixed tooth - miche, - £12.00
- Free postage - New and Used
- Free postage - New and Used
Set bicycle rear - set, of - £6.52
Set following rear • Hub cassette spacers • Use singlespeed sprocket - Free postage - New and Used
Set following rear • Hub cassette spacers • Use singlespeed sprocket - Free postage - New and Used
Icetoolz 09d1 cog - icetoolz, 2-notch - £10.69
Use this tool • Remove freewheel you • Will also require - Free postage - New and Used
Use this tool • Remove freewheel you • Will also require - Free postage - New and Used
Try this: fuji bikes | rear alloy pannier rack | girls bike dolls seat | mavic | electric trike | city bike | shimano slx | vintage bottom bracket | oakley cycling glasses | bash guard
Shop by budget
Everything you need to know about cog
Whether you are looking for a brand-new or second-hand cog, 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 £1.99, while premium listings can reach £63.1 — giving you a wide budget spread to work with. The average price of £13.3 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.