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Bucklos 12 speed mtb - bucklos,

Bucklos 12 speed mtb - bucklos,

£31.37 · Buy It Now

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Shimano tourney tz500 7 - shimano,

Shimano tourney tz500 7 - shimano,

£11.59 · Buy It Now

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Cycle bicycle bike sunrace - cycle-bicycle-bike,

Cycle bicycle bike sunrace - cycle-bicycle-bike,

£13.00 · Buy It Now

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For shimano and sram - shimano,

For shimano and sram - shimano,

£7.97 · Buy It Now

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Shimano alivio hg400 - alivio,

Shimano alivio hg400 - alivio,

£17.89 · Buy It Now

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Single speed freewheel - single,

Single speed freewheel - single,

£5.48 · Buy It Now

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Bucklos road mtb bike - mtb,

Bucklos road mtb bike - mtb,

£36.17 · Buy It Now

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Shimano alivio hg400 - hg400, speed

Shimano alivio hg400 - hg400, speed

£17.98 · Buy It Now

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Speed cassette sprocket - cassette,

Speed cassette sprocket - cassette,

£13.95 · Buy It Now

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Ata freewheel 10 speed - ata, 7

Ata freewheel 10 speed - ata, 7

£14.45 · Buy It Now

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Single speed freewheel - speed,

Single speed freewheel - speed,

£10.99 · Buy It Now

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Speed mtb bicycle - speed,

Speed mtb bicycle - speed,

£9.99 · Buy It Now

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Cycling track sprocket - track,

Cycling track sprocket - track,

£5.45 · Buy It Now

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Kart reinforced nylon - kart,

Kart reinforced nylon - kart,

£54.60 · Buy It Now

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Kart senzo pro - kart,

Kart senzo pro - kart,

£27.74 · Buy It Now

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Shimano alivio hg400 9 - shimano,

Shimano alivio hg400 9 - shimano,

£15.00 · Buy It Now

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Cycling track sprocket fixed - cycling,

Cycling track sprocket fixed - cycling,

£5.45 · Buy It Now

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Cycling track sprocket fixed - sprocket,

Cycling track sprocket fixed - sprocket,

£5.45 · Buy It Now

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12 speed cassette - 8/9/10/11/12,

12 speed cassette - 8/9/10/11/12,

£37.83 · Buy It Now

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Cycling track sprocket fixed - cycling,

Cycling track sprocket fixed - cycling,

£5.45 · Buy It Now

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Gusset single speed - single, cassette

Gusset single speed - single, cassette

£7.99 · Buy It Now

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Novatec sprocket 17t - -,

Novatec sprocket 17t - -,

£8.99 · Buy It Now

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Icetoolz 09d1 cog - icetoolz, 2-notch

Icetoolz 09d1 cog - icetoolz, 2-notch

£10.69 · Buy It Now

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Shimano mx30 single speed - shimano, dx

Shimano mx30 single speed - shimano, dx

£33.48 · Buy It Now

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Tooth single speed - single,

Tooth single speed - single,

£7.99 · Buy It Now

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Cog lead ribbed rubber inserts - cog,

Cog lead ribbed rubber inserts - cog,

£47.50 · Buy It Now

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Bike cycle bicycle - bike-cycle-bicycle, sturmey

Bike cycle bicycle - bike-cycle-bicycle, sturmey

£4.00 · Buy It Now

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Bicycle bike freewheel - bike, chain

Bicycle bike freewheel - bike, chain

£5.69 · Buy It Now

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Set bicycle rear - of,

Set bicycle rear - of,

£6.52 · Buy It Now

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Kart senzo sprocket carrier - senzo,

Kart senzo sprocket carrier - senzo,

£45.60 · Buy It Now

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Gates carbon drive cdx 20t - drive,

Gates carbon drive cdx 20t - drive,

£52.70 · Buy It Now

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Gates carbon cdx - carbon,

Gates carbon cdx - carbon,

£35.00 · Buy It Now

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12t 14t 16t teeth - 16t, single

12t 14t 16t teeth - 16t, single

£6.06 · Buy It Now

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Sturmey archer speed - archer,

Sturmey archer speed - archer,

£2.98 · Buy It Now

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Single speed freewheel x - freewheel,

Single speed freewheel x - freewheel,

£6.30 · Buy It Now

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Tanke single speed flywheel - speed,

Tanke single speed flywheel - speed,

£17.85 · Buy It Now

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Speed mtb cassette fit - mtb,

Speed mtb cassette fit - mtb,

£8.87 · Buy It Now

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Bike single speed - single,

Bike single speed - single,

£20.99 · Buy It Now

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Kart premium quality senzo - go,

Kart premium quality senzo - go,

£10.74 · Buy It Now

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Rear sprocket cush drive

Rear sprocket cush drive

£29.99 · Buy It Now

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Single speed 12t - single,

Single speed 12t - single,

£5.45 · Buy It Now

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Ebike freewheel ata - ebike, 10

Ebike freewheel ata - ebike, 10

£16.99 · Buy It Now

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Bike cassette freewheel - bike,

Bike cassette freewheel - bike,

£2.19 · Buy It Now

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Disc mount fixed cog - disc,

Disc mount fixed cog - disc,

£15.89 · Buy It Now

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Sturmey archer rear - rear, bike

Sturmey archer rear - rear, bike

£5.99 · Buy It Now

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Bike cassette freewheel - bike,

Bike cassette freewheel - bike,

£2.05 · Buy It Now

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Bucklos speed cassette - speed,

Bucklos speed cassette - speed,

£17.55 · Buy It Now

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Gully sprocket mafiabike bike - mafiabike,

Gully sprocket mafiabike bike - mafiabike,

£15.00 · Buy It Now

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17mm 428 chain - front, sprocket

17mm 428 chain - front, sprocket

£6.52 · Buy It Now

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14t 34mm x - n&t, 1/2"

14t 34mm x - n&t, 1/2"

£10.57 · Buy It Now

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Hls terminal tackle rubber - hls,

Hls terminal tackle rubber - hls,

£5.25 · Buy It Now

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Cog lead making kit - lead,

Cog lead making kit - lead,

£8.50 · Buy It Now

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Dicta teeth silver - dicta, bmx

Dicta teeth silver - dicta, bmx

£9.99 · Buy It Now

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Shimano cs6700 speed road - cs6700, 10

Shimano cs6700 speed road - cs6700, 10

£48.95 · Buy It Now

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50gm 100gm metal - 50gm, bronze

50gm 100gm metal - 50gm, bronze

£9.99 · Buy It Now

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Ata cassette 10 speed - 8, 9

Ata cassette 10 speed - 8, 9

£13.89 · Buy It Now

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Korda carp fishing cog leads - carp,

Korda carp fishing cog leads - carp,

£2.15 · Buy It Now

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Bicycle 12t 14t 16t teeth - 12t,

Bicycle 12t 14t 16t teeth - 12t,

£5.66 · Buy It Now

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Shimano hg41 bicycle speed - shimano,

Shimano hg41 bicycle speed - shimano,

£22.79 · Buy It Now

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Miche fixed tooth - , 18

Miche fixed tooth - , 18

£12.00 · Buy It Now

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Bucklos speed cassette - ​bucklos, 12

Bucklos speed cassette - ​bucklos, 12

£37.33 · Buy It Now

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Electric bike ata cassette - electric,

Electric bike ata cassette - electric,

£13.89 · Buy It Now

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Sunrun speed mega - sr, 7

Sunrun speed mega - sr, 7

£11.95 · Buy It Now

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Bmx bicycle bike - bmx,

Bmx bicycle bike - bmx,

£5.80 · Buy It Now

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Shimano screw freewheel - on,

Shimano screw freewheel - on,

£15.09 · Buy It Now

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Sturmey archer speed - archer, dished

Sturmey archer speed - archer, dished

£4.99 · Buy It Now

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Shimano freewheel removal - shimano,

Shimano freewheel removal - shimano,

£20.48 · Buy It Now

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Korda cog lead - lead, kit

Korda cog lead - lead, kit

£14.99 · Buy It Now

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Shimano sprocket wheel for - shimano,

Shimano sprocket wheel for - shimano,

£9.49 · Buy It Now

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Halo fat foot cog - halo,

Halo fat foot cog - halo,

£21.99 · Buy It Now

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Single speed 12t 14t - speed,

Single speed 12t 14t - speed,

£5.63 · Buy It Now

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Bicycle single speed freewheel - bicycle,

Bicycle single speed freewheel - bicycle,

£5.78 · Buy It Now

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Dyson dc04 dc07 dc14 dc27 - dyson,

Dyson dc04 dc07 dc14 dc27 - dyson,

£5.95 · Buy It Now

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Sturmey archer rear - sturmey,

Sturmey archer rear - sturmey,

£7.49 · Buy It Now

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Bicycle freewheel 12mm - 9t,

Bicycle freewheel 12mm - 9t,

£12.99 · Buy It Now

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Shimano mx30 bmx single - shimano, /

Shimano mx30 bmx single - shimano, /

£32.99 · Buy It Now

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Reverse components shimano - reverse,

Reverse components shimano - reverse,

£13.60 · Buy It Now

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Shimano gear sprocket - sm-gear,

Shimano gear sprocket - sm-gear,

£8.99 · Buy It Now

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Vintage 1937 sturmey - vintage,

Vintage 1937 sturmey - vintage,

£65.00 · Buy It Now

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Speed mtb bike - speed, bicycle

Speed mtb bike - speed, bicycle

£8.99 · Buy It Now

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Gusset doublesix sprocket - doublesix, ss

Gusset doublesix sprocket - doublesix, ss

£14.65 · Buy It Now

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Speed 42t mtb cassette - 8,

Speed 42t mtb cassette - 8,

£18.04 · Buy It Now

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Shimano deore m5100 - shimano,

Shimano deore m5100 - shimano,

£49.99 · Buy It Now

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Halo track cog fixed - track,

Halo track cog fixed - track,

£23.89 · Buy It Now

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Ata freewheel 10 speed - freewheel, 8

Ata freewheel 10 speed - freewheel, 8

£14.45 · Buy It Now

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Shimano dura ace track single - shimano,

Shimano dura ace track single - shimano,

£24.99 · Buy It Now

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Control 16t mtb single - mr,

Control 16t mtb single - mr,

£20.49 · Buy It Now

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Shimano hg200 speed - 9,

Shimano hg200 speed - 9,

£18.95 · Buy It Now

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Steel rear sprocket teeth - jt,

Steel rear sprocket teeth - jt,

£21.99 · Buy It Now

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Shimano speed freewheel - shimano, 7

Shimano speed freewheel - shimano, 7

£17.48 · Buy It Now

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Bicycle freewheel chain - bicycle, whip

Bicycle freewheel chain - bicycle, whip

£10.85 · Buy It Now

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Sprocket jtc 530 - jtc,

Sprocket jtc 530 - jtc,

£7.99 · Buy It Now

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New starter motor pinion gear - new,

New starter motor pinion gear - new,

£4.11 · Buy It Now

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Supersprox did chain - did, chain/sprocket

Supersprox did chain - did, chain/sprocket

£182.99 · Buy It Now

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Autofold cog gear for - gear, mobility

Autofold cog gear for - gear, mobility

£15.00 · Buy It Now

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Keeway superlight 125 chain - superlight, &

Keeway superlight 125 chain - superlight, &

£52.63 · Buy It Now

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📊96 listings · from £2.05 · avg £18.51

Browse 96 cog listings currently in our index. Prices range from £2.05 to £182.99, with an average of £18.51. 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 →

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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 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 £2.05, while premium listings can reach £182.99 — giving you a wide budget spread to work with. The average price of £18.51 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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