Free to fixed

[NotFabian]

I'm currently riding single free, the hub is a singlesided screw on with one thread. I have a single free screwed on and was wondering is there a method of converting this to fixed.
I know usually there are 2 threads to enable a lockring screwed on to secure the sprocket, so had anyone done this?
Can it be done without the sprocket unscrewing while riding? Dont really want to buy another wheel...yet.

Advice welcome

 

[Rohloff_Brompton_Rider]

use what you've got......here's how

 

[wheres_my_beard]

use what you've got......here's how

If you do this, put something under you saddle, to save it being scuffed (like mine).


If you don't plan on using your legs for any braking or skidding you may be ok without a lockring.

 

[Rohloff_Brompton_Rider]

If you do this, put something under you saddle, to save it being scuffed (like mine).


If you don't plan on using your legs for any braking or skidding you may be ok without a lockring.

using the rotafix method you will perfectly fine with out a lock ring, london messengers use it just fine and they do nothing but leg brake.

 

[wheres_my_beard]

using the rotafix method you will perfectly fine with out a lock ring, london messengers use it just fine and they do nothing but leg brake.

Wouldn't hard resistance potentially loosen the cog? Saying that I guess that even if it does happen you are back on the power again getting it tight...

 

[Rohloff_Brompton_Rider]

Wouldn't hard resistance potentially loosen the cog? Saying that I guess that even if it does happen you are back on the power again getting it tight...

absolutely no chance, think about lever length.

 

[NotFabian]

Thanks all so far, I know a track hub lockring wont work in this situation, am I right in saying a BB lockring is the same size and thread pattern as a standard hub thread?
I'd prefer to go that route rather than rely solely on screwing on a cog very tight, thinking it'll be a similar thing to the cone/locknut set up on an axle??

 

[Zoiders]

Just do it and don't worry so much - welly one on and then the other on top and use it as temporaray measure for bedding in - this is the only time you need it.

Whack a few hundred miles and some climbs through it and you are not going to unscrew the sprocket while out riding, it's not uncommon to find the lock ring has come loose after so many miles on a fixed only hub - this isn't because it became loose but because the sprocket has bedded in very tightly and the lockring has been left behind further up the thread.

Lockrings can in fact present a danger if you un-ship the chain, the sprocket won't unscrew so it locks up and then folds up the rear triangle of the frame.

 

[NotFabian]