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Bucklos 12 speed mtb - 8/9/10/11/12,

Bucklos 12 speed mtb - 8/9/10/11/12,

£31.37 · Buy It Now

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Shimano tourney tz500 7 - shimano, mf-tz500-7

Shimano tourney tz500 7 - shimano, mf-tz500-7

£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, speed

For shimano and - sram, speed

£7.97 · Buy It Now

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Shimano alivio hg400 speed - 9,

Shimano alivio hg400 speed - 9,

£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 - road, bike

Bucklos road mtb - road, bike

£36.17 · Buy It Now

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Shimano alivio hg400 speed - shimano,

Shimano alivio hg400 speed - shimano,

£17.98 · Buy It Now

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Speed cassette sprocket - 9,

Speed cassette sprocket - 9,

£13.95 · Buy It Now

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Ata freewheel 10 speed - ata,

Ata freewheel 10 speed - ata,

£14.45 · Buy It Now

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Single speed freewheel - single,

Single speed freewheel - single,

£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 fixed - cycling,

Cycling track sprocket fixed - cycling,

£5.45 · Buy It Now

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Kart reinforced nylon - go,

Kart reinforced nylon - go,

£54.60 · Buy It Now

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Kart senzo pro rear - kart,

Kart senzo pro rear - kart,

£27.74 · Buy It Now

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Shimano alivio hg400 - alivio, 9

Shimano alivio hg400 - alivio, 9

£15.00 · Buy It Now

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Cycling track sprocket - track,

Cycling track sprocket - track,

£5.45 · Buy It Now

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Cycling track sprocket fixed - track,

Cycling track sprocket fixed - track,

£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 - sprocket,

Cycling track sprocket fixed - sprocket,

£5.45 · Buy It Now

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Gusset single speed cassette - single,

Gusset single speed cassette - single,

£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 notch - icetoolz,

Icetoolz 09d1 cog notch - icetoolz,

£10.69 · Buy It Now

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Shimano mx30 single speed - shimano,

Shimano mx30 single speed - shimano,

£33.48 · Buy It Now

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Tooth single speed - 16,

Tooth single speed - 16,

£7.99 · Buy It Now

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Cog lead ribbed rubber - cog,

Cog lead ribbed rubber - cog,

£47.50 · Buy It Now

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Bike cycle bicycle sturmey - bike-cycle-bicycle,

Bike cycle bicycle sturmey - bike-cycle-bicycle,

£4.00 · Buy It Now

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Bicycle bike freewheel chain - bike,

Bicycle bike freewheel chain - bike,

£5.69 · Buy It Now

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Set bicycle rear - of, sprocket

Set bicycle rear - of, sprocket

£6.52 · Buy It Now

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Kart senzo sprocket carrier - kart,

Kart senzo sprocket carrier - kart,

£45.60 · Buy It Now

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Gates carbon drive cdx - gates,

Gates carbon drive cdx - gates,

£52.70 · Buy It Now

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Gates carbon cdx drive - carbon, 4

Gates carbon cdx drive - carbon, 4

£35.00 · Buy It Now

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12t 14t 16t - 14t, teeth

12t 14t 16t - 14t, teeth

£6.06 · Buy It Now

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Sturmey archer speed - 3,

Sturmey archer speed - 3,

£2.98 · Buy It Now

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Single speed freewheel - single, x

Single speed freewheel - single, x

£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 - cassette, fit

Speed mtb cassette - cassette, fit

£8.87 · Buy It Now

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Bike single speed sprocket - bike,

Bike single speed sprocket - bike,

£20.99 · Buy It Now

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Kart premium quality - go,

Kart premium quality - 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 14t 16t - 12t,

Single speed 12t 14t 16t - 12t,

£5.45 · Buy It Now

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Ebike freewheel ata 9 10 - 7,

Ebike freewheel ata 9 10 - 7,

£16.99 · Buy It Now

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Bike cassette freewheel - bike, gear

Bike cassette freewheel - bike, gear

£2.19 · Buy It Now

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Disc mount fixed - cog, sprocket

Disc mount fixed - cog, sprocket

£15.89 · Buy It Now

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Sturmey archer rear cog bike - sturmey,

Sturmey archer rear cog bike - sturmey,

£5.99 · Buy It Now

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Bike cassette freewheel - cassette,

Bike cassette freewheel - cassette,

£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 - gully,

Gully sprocket mafiabike bike - gully,

£15.00 · Buy It Now

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17mm 428 chain front - chain, sprocket

17mm 428 chain front - chain, sprocket

£6.52 · Buy It Now

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14t 34mm x - 34mm,

14t 34mm x - 34mm,

£10.57 · Buy It Now

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Hls terminal tackle rubber - tackle,

Hls terminal tackle rubber - tackle,

£5.25 · Buy It Now

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Cog lead making - lead,

Cog lead making - lead,

£8.50 · Buy It Now

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Dicta teeth silver - dicta,

Dicta teeth silver - dicta,

£9.99 · Buy It Now

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Shimano cs6700 speed - cs6700,

Shimano cs6700 speed - cs6700,

£48.95 · Buy It Now

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50gm 100gm metal bronze - 100gm,

50gm 100gm metal bronze - 100gm,

£9.99 · Buy It Now

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Ata cassette 10 speed - 7, 8

Ata cassette 10 speed - 7, 8

£13.89 · Buy It Now

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Korda carp fishing cog leads - korda,

Korda carp fishing cog leads - korda,

£2.15 · Buy It Now

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Bicycle 12t 14t 16t teeth - bicycle,

Bicycle 12t 14t 16t teeth - bicycle,

£5.66 · Buy It Now

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Shimano hg41 bicycle speed - bicycle, 7/8

Shimano hg41 bicycle speed - bicycle, 7/8

£22.79 · Buy It Now

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Miche fixed tooth - tooth, 1/8"

Miche fixed tooth - tooth, 1/8"

£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 8 - bike,

Electric bike ata cassette 8 - bike,

£13.89 · Buy It Now

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Sunrun speed mega - sunrun,

Sunrun speed mega - sunrun,

£11.95 · Buy It Now

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Bmx bicycle bike 18t - 16/18t, teeth

Bmx bicycle bike 18t - 16/18t, teeth

£5.80 · Buy It Now

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Shimano screw freewheel - shimano, on

Shimano screw freewheel - shimano, on

£15.09 · Buy It Now

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Sturmey archer speed dished - sturmey,

Sturmey archer speed dished - sturmey,

£4.99 · Buy It Now

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Shimano freewheel removal - &,

Shimano freewheel removal - &,

£20.48 · Buy It Now

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Korda cog lead - cog, kit

Korda cog lead - cog, kit

£14.99 · Buy It Now

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Shimano sprocket wheel for slx - shimano,

Shimano sprocket wheel for slx - shimano,

£9.49 · Buy It Now

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Halo fat foot - halo, cog

Halo fat foot - halo, cog

£21.99 · Buy It Now

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Single speed 12t - speed,

Single speed 12t - speed,

£5.63 · Buy It Now

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Bicycle single speed freewheel - single,

Bicycle single speed freewheel - single,

£5.78 · Buy It Now

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Dyson dc04 dc07 dc14 - dc07, dc33

Dyson dc04 dc07 dc14 - dc07, dc33

£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 - bicycle, 9t

Bicycle freewheel 12mm - bicycle, 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 for - sm-gear,

Shimano gear sprocket for - sm-gear,

£8.99 · Buy It Now

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Vintage 1937 sturmey archer - 1937, k7

Vintage 1937 sturmey archer - 1937, k7

£65.00 · Buy It Now

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Speed mtb bike bicycle - 8,

Speed mtb bike bicycle - 8,

£8.99 · Buy It Now

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Gusset doublesix sprocket - gusset,

Gusset doublesix sprocket - gusset,

£14.65 · Buy It Now

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Speed 42t mtb - 8, cassette

Speed 42t mtb - 8, cassette

£18.04 · Buy It Now

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Shimano deore m5100 11 - cs-m5100,

Shimano deore m5100 11 - cs-m5100,

£49.99 · Buy It Now

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Halo track cog fixed - halo, sprocket

Halo track cog fixed - halo, sprocket

£23.89 · Buy It Now

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Ata freewheel 10 - freewheel, speed

Ata freewheel 10 - freewheel, speed

£14.45 · Buy It Now

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Shimano dura ace - ace, single

Shimano dura ace - ace, single

£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 - shimano, cs-hg200

Shimano hg200 speed - shimano, cs-hg200

£18.95 · Buy It Now

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Steel rear sprocket - jt,

Steel rear sprocket - jt,

£21.99 · Buy It Now

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Shimano speed freewheel - 7,

Shimano speed freewheel - 7,

£17.48 · Buy It Now

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Bicycle freewheel chain - chain, whip

Bicycle freewheel chain - chain, whip

£10.85 · Buy It Now

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Sprocket jtc 530 x1r jt - sprocket,

Sprocket jtc 530 x1r jt - sprocket,

£7.99 · Buy It Now

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New starter motor - starter, gear

New starter motor - starter, gear

£4.11 · Buy It Now

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Supersprox did chain sprocket - did, chain/sprocket

Supersprox did chain sprocket - did, chain/sprocket

£182.99 · Buy It Now

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Autofold cog gear - gear, mobility

Autofold cog gear - 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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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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