Sorry for the re-do. I know this was covered on the old board at least once. I tried to search for it but came up empty.

I want to put an 18t fixed cog on the "flop" side of my hub (a Fuji). Last Sat USPS dropped off a Soma cog & FSA BB lockring from Harris. Now to slather it w/blue Locktite & install. Is this the tool I need? It seems right but I'd like to check w/the experts before I hit "order".

TIA

- Chris

More like a novice wannabe... but I think there are a couple things going on in your post..

Rear cog lockrings usually have 2 slots on opposite sides. The tool you have pictured is a Shimano BB tool, I think, and will not work with a regular rear cog lockring. The extra teeth in that tool will not allow the tool to sit flat around the lockring while you engage to lockring slot. The fixed gear page at www.Harriscyclery.com shows examples of tools that can work.

A rear cog lockring is reverse threaded. You thread the rear cog on normally, and the reverse threading of the lockring prevents the cog from threading itself off when you backpedal. If you don't have a fixed gear hub (ie, there is only one set of threads on the hub, not two), then some people will use blue loctite (I think) as a substitute for a lockring. (I'm not sure that I'd do that, but some people do.) If you have a fixed gear hub, there's no need for loctite.

Enjoy your fixie.

You're describing the fixed side of the hub. I'm referring to the free side of the hub, or what I called the "flop" side. I figured fixed/free = flip/flop. Sorry if my desire to be clever resulted in a lack of clarity.

I want to fun fixed/fixed, even though my rear hub is fixed/free. To that end, I understand that you need to thread on a fixed cog, followed by an old style BB lockring (from the cup & cone days) that has been slathered in blue Locktite. This is because with no reverse threads on the free side of the hub, backpressure will spin that sucker right off.

- Chris







More like a novice wannabe... but I think there are a couple things going on in your post..

Rear cog lockrings usually have 2 slots on opposite sides. The tool you have pictured is a Shimano BB tool, I think, and will not work with a regular rear cog lockring. The extra teeth in that tool will not allow the tool to sit flat around the lockring while you engage to lockring slot. The fixed gear page at www.Harriscyclery.com shows examples of tools that can work.

A rear cog lockring is reverse threaded. You thread the rear cog on normally, and the reverse threading of the lockring prevents the cog from threading itself off when you backpedal. If you don't have a fixed gear hub (ie, there is only one set of threads on the hub, not two), then some people will use blue loctite (I think) as a substitute for a lockring. (I'm not sure that I'd do that, but some people do.) If you have a fixed gear hub, there's no need for loctite.

Enjoy your fixie.

You want a tool with a simple end like this.

Mark

http://forums.roadbikereview.com/attachment.php?attachmentid=&stc=1

You want a tool with a simple end like this.

Mark

http://forums.roadbikereview.com/attachment.php?attachmentid=&stc=1


Yep, That's what I use.

...for your responses to my tool issues.

i want one of these:

http://www.paulcomp.com/wrenches1.jpg

from paul components http://www.paulcomp.com