Advice for removing sprocket from New Departure hub

[Gordon]

DIY Cog removal tool | Bicycle Restoration Tips

If someone has already documented this, I apologize. Parts needed: clutch, 1 inch grade 2 nut and one 2 3/4 inch long grade 8 bolt with nut and washer. Procedure: Weld clutch to 1 inch nut. Thread driver into clutch and fasten with the 3/8 bolt. Hand tighten. Put the assembly in a vice and apply...

thecabe.com

 

[Rivnut]

Boy did I try to make that more difficult than necessary. I was about to make the removal tool and a chain whip, but lying in bed last night I had a thought. This morning I put it into action. i just swapped the entire drive mechanisms, sprocket, bearing, driver, et al with the hub that I was going to remove the sprocket from. Changed the chain rings, added a couple of links to a good 1/2” pitch chain, and it was a done deal. No more skip tooth. Easy Peasy. Much cheaper than trying to purchase another skip tooth chain of unknown quality.

 

[49autocycledeluxe]

we didn't know you had the whole thing.

 

[New Mexico Brant]

This is the tool New Departure sold to do this task:

 

[cyclingday]

The tool pictured above, coupled with this wrench, makes for an unbeatable combination.

This thing is worth it’s weight in gold.

 

[49autocycledeluxe]

how much does it weigh?

 

[cyclingday]

Enough to get the job done.
Nickname, Big Bertha

 

[New Mexico Brant]

The tool pictured above, coupled with this wrench, makes for an unbeatable combination.

View attachment 1787151This thing is worth it’s weight in gold.

And what is that officially called?

 

[cyclingday]

And what is that officially called?

 

[Two Wheeler]

Enough to get the job done.
Nickname, Big Bertha

I have a screwdriver named Big Bertha!