Posts: 27
Joined: 2/11/2016
Location: Hustonville, KY USA
I just got a promo pro cassette and It came with the 9,10,and 11 tooth cogs in trying to take the 9 off to put in the 11. I've got the driver out and all but can't figure out the rest any help would be nice. I've been googleing for a while and can't find any info. Thanks!
Posts: 20951
Joined: 5/23/2008
Location: Royalton, MN USA
Moderator
Post up photos of what you have.
UNLESS the driver is a 2 piece design, I think the 9t is not removable.
Post photos.
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Posts: 27
Joined: 2/11/2016
Location: Hustonville, KY USA
Posts: 27
Joined: 2/11/2016
Location: Hustonville, KY USA
Posts: 12822
Joined: 7/13/2007
Location: Hanover, PA USA
Moderator
Looks like you just need to remove the locknut on the end, slide the cog off, put on the cog you want, then tighten the locknut back on.
I think it's just regular threaded, so lefty loosey will worky.
If it's tight on there (which it probably is) you'll need a chain whip tool or something similar to remove it
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Posts: 27
Joined: 2/11/2016
Location: Hustonville, KY USA
Sounds good it's super tight I'll take it to work tonight an put it in a vise but thanks again for the help
