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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 10-20-08, 11:22 AM   #1
clink83
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Dingleberry cog...wtf chain hits the spokes.

So, after 6 months of using a dingleberry 17/19t cog on the 17t part, I try to switch to the 19t and the chain hits the spokes! Has anyone else had this problem? Seems kind of silly to have both if you can use only one.
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Old 10-20-08, 03:17 PM   #2
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can you flip the cog around so it's further way from the spokes?

sidenote: this is the third result when you google search dingleberry cog
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Old 10-20-08, 03:20 PM   #3
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dingleberry is a brand name? wtf?
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Old 10-20-08, 03:22 PM   #4
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dingleberry is a brand name? wtf?
Google is your friend.
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Old 10-20-08, 10:51 PM   #5
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It's actually called a dingle cog. I don't have any experience with them though.

You are using the correct chain, right?
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Old 10-20-08, 11:27 PM   #6
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aren't you supposed to use it with two chain rings?
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Old 10-20-08, 11:33 PM   #7
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Ideally, you should be using it with the White Industries double crankset, but you can make it work with a derailleur (not sure what speed) chain and a single up front.

EDIT - On second thought, I have no idea if the WI crankset has different spacing than any other double. I'll let someone else chime in.
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Old 10-20-08, 11:33 PM   #8
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^^ i think thats it. i got this from a bike parts website, prolly written by surly as the stock description-
...Surly Dingle Cogs are part of a different concept for fixed-gear drivetrains. Having two cogs on the back means you have more options for gear changes when the conditions demand it. For instance, say you want to ride your off-road fixie from your house to the trailhead, but your gear combo is either too high for the dirt or too low for the road. With a 17/19t Dingle on the back, pick two chainrings that are 2 teeth apart, like a 44t and a 42t. When you change from the outer (44:17t) gear combo to the inner (42:19t), you'll have a much better off-road gear and your wheel position will not change. This maintains effective chainstay length so you won't have to worry about having too much or too little chain length to accommodate the gear change...

thats weird that it hits the spokes though, do you have any pictures, its hard for me to visualize this. i think it has something to do with chainline and the first cross the spokes make coming from the hub but i am not positive
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Old 10-21-08, 02:48 PM   #9
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Google is your friend.
I don't want the google to think I have any interest in a "dingleberry cog". It just sounds too dirty.
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Old 10-21-08, 05:36 PM   #10
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I use this without trouble on a Surly fixed/single, 135mm hub and with a 9sp chain. 17/19 Dingle Cog, 42/39 front combination on a 105 Octalink double crank.
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