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.

Vintage Components - Shimano 600/MF Z012 Freewheel cogs

Shimano 600/MF Z012 freewheel cogs on this page: 12-tooth | 13-tooth | 14-tooth | 15-tooth | 17-tooth | 19-tooth | 21-tooth | 24-tooth

Shimano 600 freewheels are posted here.

---

12-tooth Shimano 600/MF Z012 freewheel cog. Used, $10.00/each

The cog's top side

Here's the cog turned over.

---

13-tooth Shimano 600/MF Z012 freewheel cog. Used, $10.00/each

Top side of the cog

Here it is turned over.

---

14-tooth Shimano 600/MF Z012 freewheel cog. Used, $10.00/each

Top side

Here's the other side of the cog.

---

15-tooth Shimano 600/MF Z012 freewheel cog. Used

We have two: #1 | #2

15-tooth Shimano 600/MF Z012 freewheel cog #1 . Used, $10.00/each

Top side

The cog flipped over

15-tooth Shimano 600/MF Z012 freewheel cog #2 . Used, $10.00/each

The top side of the cog

Here's the other side of the cog.

---

17-tooth Shimano 600/MF Z012 freewheel cog. Used, $10.00/each

Side one.

Side two

---

19-tooth Shimano 600/MF Z012 freewheel cog. Used

We have five: #1 | #2 | #3 | #4 | #5

19-tooth Shimano 600/MF Z012 freewheel cog #1. Used, $10.00/each

The top side

The cog turned over

19-tooth Shimano 600/MF Z012 freewheel cog #2. Used, $10.00/each

Side 1

Side 2

19-tooth Shimano 600/MF Z012 freewheel cog #3. Used, $10.00/each

Side 1

Side 2

19-tooth Shimano 600/MF Z012 freewheel cog #4. Used, $10.00/each

Side 1

Side 2

19-tooth Shimano 600/MF Z012 freewheel cog #5. Used, $10.00/each

Side 1

Side 2

---

21-tooth Shimano 600/MF Z012 freewheel cog. Used

We have eight: #1 | #2 | #3 | #4 | #5 | #6 | #7 | #8

21-tooth Shimano 600/MF Z012 freewheel cog #1. Used, $10.00/each

Side 1

Side 2

21-tooth Shimano 600/MF Z012 freewheel cog #2. Used, $10.00/each

Side 1

Side 2

21-tooth Shimano 600/MF Z012 freewheel cog #3. Used, $10.00/each

Here's one side of the cog.

And here's the other side.

21-tooth Shimano 600/MF Z012 freewheel cog #4. Used, $10.00/each

Side one of the cog

And here's the other side of the cog.

21-tooth Shimano 600/MF Z012 freewheel cog #5. Used, $10.00/each

Here's one side of the cog.

And here it is turned over to show its other side.

21-tooth Shimano 600/MF Z012 freewheel cog #6. Used, $10.00/each

Here's side one.

And here's the cog turned over to show its other side.

21-tooth Shimano 600/MF Z012 freewheel cog #7. Used, $10.00/each

Here's side one.

And side two of the cog.

21-tooth Shimano 600/MF Z012 freewheel cog #8. Used, $10.00/each

Here's one side of the cog.

Here's the other side of the cog.

---

24-tooth Shimano 600/MF Z012 freewheel cog. Used

We have two: #1 | #2

24-tooth Shimano 600/MF Z012 freewheel cog #1. Used, $10.00/each

Here's one side of the cog.

Here's the cog's other side.

24-tooth Shimano 600/MF Z012 freewheel cog #2. Used, $10.00/each

Side one

And here's side two.