11/20/2025: Dear Friends, I am currently in chemotherapy and unable to promptly answer emails or ship orders. I will do my best to take care of your needs, but hope you can be patient. Thank you all for your support.

1/8" track/fixed gear cogs

1/8" track cogs on this page: 14-tooth | 15-tooth | 16-tooth | 17-tooth | 18-tooth | 19-tooth | 20-tooth

3/32" cogs are posted here | Track cog lockrings are posted here. Note: It is absolutely necessary to put a lockring on a track hub. Our lockring page explains why.

We don't have an on-line shopping cart. If you see something that interests you or if you have a question, please call us at (503) 480-2001.

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14-tooth 1/8" track cogs: SunTour | Suzue

SunTour 14-tooth track cog. Used, $35.00/each

We believe this cog was made by SunTour, but cannot be sure.

Front side

And the cog's back side.

Suzue 14-tooth track cog. New, $45.00/each

Part# 56499

• We have two in stock
• Mirror-polished Stainless Steel
• CNC-machined

Beautifully made.

Here's the back of the cog.

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15-tooth 1/8" track cogs: Surly | 15-unknown maker

Surly 15-tooth track cog. Used, $25.00

From the front

Here's the back of the Surly track cog.

15-tooth track cog. New, $25.00

Part# 56491

We do not know who made this cog.

The front side

The back side

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16-tooth 1/8" track cogs: Shimano Dura-Ace | Suzue

Shimano Dura Ace 16-tooth track cog.

We have two: New | Used

Shimano Dura Ace 16-tooth track cog. New, $30.00/each

• This was taken off a new bike.
• This cog was manufactured to NJS standards.

Front side

Back of the cog

Shimano Dura Ace 16-tooth track cog. Used, $30.00/each

Front view

Here's the back of the cog.

Suzue 16-tooth track cog. New, $45.00

Part# 56502

• We have three in stock
• Mirror-polished Stainless Steel
• CNC-machined

Beautifully finished.

Here's the 16-tooth cog flipped over.

A little info from the package.

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17-tooth 1/8" track cogs: Suzue

Suzue 17-tooth track cog. New, $45.00

Part# 56503

• We have two in stock
• Mirror-polished Stainless Steel
• CNC-machined

Front side

The back of the 17-tooth cog

A little more info on the back of the box.

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18-tooth 1/8" track cogs: 18-unknown maker | 18-unknown maker, used

18-tooth track cog. New, $25.00

Part# 56490

We do not know who made this cog.

Here's the front

And here's the back of the cog.

18-tooth track cog. Used, $15.00

We do not know who made this cog.

Front side

And from the back.

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19-tooth 1/8" track cogs: Suzue

Suzue 19-tooth track cog. New, $45.00

Part# 56504

• We have two in stock
• Mirror-polished Stainless Steel
• CNC-machined

Front side, beautifully polished

The back side is just as beautiful.

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20-tooth 1/8" track cogs: Vintage 20-tooth

20-tooth Vintage track cog. Used, $30.00

We don't know who made this lovely, old track cog.

Front of the cog

Here's the back.