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Singlespeed & Fixed Gear "I still feel that variable gears are only for people over forty-five. Isn't it better to triumph by the strength of your muscles than by the artifice of a derailer? We are getting soft...As for me, give me a fixed gear!"-- Henri Desgrange (31 January 1865 - 16 August 1940)

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Old 01-20-10, 11:30 AM
  #1  
steverstrike
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Thank you bikeforums

thanks everyone for the help on here.. i went from being the biggest noob.. to still being a noob.. but atleast more of an understanding.. and you all helped me build this bad boy in a week

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Old 01-20-10, 11:40 AM
  #2  
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That's a nice looking mousetrap, well done.




Serious note: Front brake.
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Old 01-20-10, 11:51 AM
  #3  
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Looks good but your chain is too slack and you are missing a front brake.

Otherwise- Welcome to the world of fixed gear bicycles.
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Old 01-20-10, 11:58 AM
  #4  
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Love the kickstand
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Old 01-20-10, 11:58 AM
  #5  
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Originally Posted by HandsomeRyan View Post
Looks good but your chain is too slack
+1

otherwise, good job
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Old 01-20-10, 12:23 PM
  #6  
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Toss a front brake on, ditch the kickstand.

https://www.bunchobikes.com/kickstand.htm
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Old 01-20-10, 12:50 PM
  #7  
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will ditch the kickstand when i get home and have some real tools.. and the front brake is in the mail.. on its way.. and the slack is being a *****.. wats the best approach to that? moving the wheel back more?
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Old 01-20-10, 12:53 PM
  #8  
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also i am running a 1/8 chain on a 3/32 front cog.. i read that it is ok to do that.. i went out riding in the parking lot and had some slip when i tried to stop really hard.. im guessing that is the slack of the chain
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Old 01-20-10, 12:55 PM
  #9  
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Did you install the cog and lockring?

Or if they came installed, did you tighten them up?

Make sure they are tight, otherwise you will ruin your hub.
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Old 01-20-10, 12:59 PM
  #10  
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...also, you may get a bit of play (maybe a half inch) with the one piece crank, as the chainring usually has a bit of play where it meets the crank arm tab, which keeps it from spinning under load. Anyway, if there is slipping it is probably your hub/cog, fix it immediately before it is ruined.
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Old 01-20-10, 12:59 PM
  #11  
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i will go do that.. i installed it.. i actually didnt tighten it to much.. do you think thats why i am slipping a little?
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Old 01-20-10, 01:01 PM
  #12  
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i just checked and it was really loose.. i dont have a lockring tool so i used a flathead and a hammer to tighten it as much as i could
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Old 01-20-10, 01:06 PM
  #13  
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Originally Posted by steverstrike View Post
i just checked and it was really loose.. i dont have a lockring tool so i used a flathead and a hammer to tighten it as much as i could
You really should get a lockring tool. You could ruin your lockring by doing that.
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Old 01-20-10, 01:07 PM
  #14  
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I forgot to add: well done! That's a good looking bike.
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Old 01-20-10, 04:32 PM
  #15  
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Originally Posted by steverstrike View Post
i just checked and it was really loose.. i dont have a lockring tool so i used a flathead and a hammer to tighten it as much as i could
I personaly ruined the lockring on my first fixed gear with that approach, if its nice and tight now leave it as such until you get the right tool.
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Old 01-20-10, 06:30 PM
  #16  
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Originally Posted by steverstrike View Post
i just checked and it was really loose.. i dont have a lockring tool so i used a flathead and a hammer to tighten it as much as i could
To echo what others have said- Get real tools. I know they seem expensive but a $15 lockring spanner can save you from ruining a $100+ wheel.

Yes, to tighten the chain you need to slide the wheel back further in the dropouts. An easy way to set the chain tension is to loosen the axle nuts and roll a racquetball down between the rear tire and the seat tube. The racquetball squishing between the tire and seat tube will provide the tension while you tighten down the axle nuts. If my instructions here aren't clear I can get you some pics of what I mean.

I'm digging that green color. My wife and i passed an identical bike (still set up as a multi-speed) on our tandem on the greenway the other day.
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Old 01-20-10, 06:34 PM
  #17  
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Originally Posted by HandsomeRyan View Post
An easy way to set the chain tension is to loosen the axle nuts and roll a racquetball down between the rear tire and the seat tube. The racquetball squishing between the tire and seat tube will provide the tension while you tighten down the axle nuts. If my instructions here aren't clear I can get you some pics of what I mean.
Upon reinspection of your pic I realized how much space you have there between the tire and seat tube; the racquetball thing may not work. You could do something similar with a partially deflated football maybe?

There are other ways to tension a wheel without shoving something in there but the racquetball thing is quick and easy and avoids scuffing up the dropouts the way the 'walking method' sometimes does.
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Old 01-20-10, 07:02 PM
  #18  
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From reading this thread it isn't clear to me whether you fully tightened your cog before tightening the lockring. First, tighten the cog as tight as possible with your chainwhip (you got a chainwhip, right?). Next for good measure, place your front wheel up against a wall and stand on your forward pedal to tighten it even more. Ideally, the cog will be so tight that it will stay screwed on by itself without the lockring. The lockring is just a safety device and is just there to prevent the cog from loosening. Once this is done, then you should tighten your lockring with a proper tool. The lockring should not and cannot be tightened as much as the cog, since it has far fewer threads.
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Old 01-20-10, 07:04 PM
  #19  
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hello Cody Maverick.
nice bike.
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Old 01-20-10, 07:49 PM
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If you're a hobo with no chainwhip you apply some locking force to the cog by holding the wheel in place and stepping on a pedal.

Your local bike coop (maybe https://www.bikecollectives.org/wiki/...ood_Bike_Works) will probably let you use its tools.

Sheldon will inform you how to tighten your rear wheel: https://www.sheldonbrown.com/fixed.html#tension

Good bike. Old Schwinns are indestructible but heavy. There's no reason you should care about heavy. The end.
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Old 01-20-10, 07:56 PM
  #21  
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Originally Posted by AlanKHG View Post
If you're a hobo with no chainwhip you apply some locking force to the cog by holding the wheel in place and stepping on a pedal.

Your local bike coop (maybe https://www.bikecollectives.org/wiki/...ood_Bike_Works) will probably let you use its tools.

Sheldon will inform you how to tighten your rear wheel: https://www.sheldonbrown.com/fixed.html#tension

Good bike. Old Schwinns are indestructible but heavy. There's no reason you should care about heavy. The end.
Or Google 'Rotofix' to tighten your cog, you'll get alot more force from that than just holding your wheel.
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Old 01-20-10, 09:50 PM
  #22  
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Originally Posted by ianjk View Post
Did you install the cog and lockring?

Or if they came installed, did you tighten them up?

Make sure they are tight, otherwise you will ruin your hub.
another thing I've found with these ashtabula cranks is when you convert one to fixed the chainring tends to come loose, be sure to check that too, if it is remove the crank and remove the chainring nut, then remove the chainring, clean the threads on the crank and nut really good, then add LockTite to the threads on the crank and nut and replace the nut, tighten it down really good, nows a good time to repack the bearing too, replace the crank and you should be good to go.
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Old 01-21-10, 01:38 AM
  #23  
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you built that after reading up here? you didn't read hard enough










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Old 01-21-10, 02:15 AM
  #24  
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no offense, but one of the most fundamental lessons someone should be able to take away from this forum is the importance of making sure that your cog and lockring are sufficiently tight. If that escaped you while researching bfssfg...well, I hate to think what else you missed.
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Old 01-21-10, 05:29 AM
  #25  
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...and the thread turns negative.

As it turns out some of us were born with fixed gear knowledge imparted from the gods upon our conception. It is our sworn duty to look down on people who have to learn by actually building/riding a fixed gear bike to understand the mechanics of it.

The bike is basically fine. Make sure your cog and lockring are tight (your LBS can help you with this if you don't have the tools yet), tighten up the chain a bit, and certainly put the front brake on when it arrives but otherwise- ride the hell out of that thing and have fun!
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