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Old 11-06-05, 11:51 AM   #1
eightdip
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i bought a 30t sproket (macneil) for my bike and the freewheel is still the same as it was for my 39t sproket and i have to pedal really fast. Do i have to buy a smaller freewheel or what and if so, do i need a freewheel removal tool?
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Old 11-06-05, 12:07 PM   #2
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Well, basically you're an idiot for buying a sprocket that is too small for any freewheel.
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Old 11-06-05, 12:40 PM   #3
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its not too small for any freewheel, apparently a 11t freewheel will fit it
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Old 11-06-05, 01:47 PM   #4
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11 t freewheels don't exsist. You need to buy a cassette hub and get an 11t driver for it.
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Old 11-06-05, 02:10 PM   #5
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what is a driver?
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Old 11-06-05, 02:42 PM   #6
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Originally Posted by eightdip
what is a driver?
A fancy name for a cog.
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Old 11-06-05, 02:49 PM   #7
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No, a driver is a single machined piece, whereas a cog is just a ring with teeth, and is locked into place with a lockring.
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Old 11-06-05, 02:54 PM   #8
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No, a driver is a single machined piece, whereas a cog is just a ring with teeth, and is locked into place with a lockring.
Functionally, what is the difference?
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Old 11-06-05, 02:56 PM   #9
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The benefit of a driver is for freestyle riders: they require almost no maintenence; you put it on there, and you never have to tighten it or anything.

The benefit of having cogs is for racers, so that they can very quickly swap their gears; basically, it's the same idea as having a spider up front.
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Old 11-06-05, 03:16 PM   #10
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that sounds good, how much?
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Old 11-06-05, 03:18 PM   #11
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You'll need about $175 for a decent new back wheel, minimum. About $100 for just the hub, spokes, and driver if you know how to lace a wheel to you old rim, which I'm fairly certain that you're not capable of doing.
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Old 11-06-05, 03:23 PM   #12
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ive seen a alex supra g rim with an eastern 11t casette driver and spokes for (im not sure about dollars, im from england) 70 pounds
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Old 11-06-05, 03:24 PM   #13
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is that good?
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Old 11-06-05, 03:27 PM   #14
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No, not really.

edit: Although, I'm sure that it'll be fine for the average nibbler.
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Old 11-06-05, 03:29 PM   #15
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Originally Posted by Beerman
average nibbler.
whats that supposed to mean?
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Old 11-06-05, 03:38 PM   #16
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Ask Jeeves.
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Old 11-06-05, 03:39 PM   #17
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good one
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Old 11-06-05, 04:32 PM   #18
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Ask Jeeves.
Hahaha, that's great.
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Old 11-06-05, 04:47 PM   #19
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Ask Jeeves.
I saw a commercial about ol' jeeves today.
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Old 11-06-05, 05:41 PM   #20
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he doesnt need an entirely new wheel. he can just switch out the hubs and keep the same rim.
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Old 11-06-05, 06:23 PM   #21
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Quote:
Originally Posted by Beerman
About $100 for just the hub, spokes, and driver if you know how to lace a wheel to you old rim.
Ahem.
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Old 11-06-05, 08:25 PM   #22
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Quote:
Originally Posted by Beerman
The benefit of a driver is for freestyle riders: they require almost no maintenence; you put it on there, and you never have to tighten it or anything.

The benefit of having cogs is for racers, so that they can very quickly swap their gears; basically, it's the same idea as having a spider up front.
Cassettes with separate cogs and lockrings still have drivers (just like freecoasters), that's the part that the cog slides onto. one-piece machined cog/drivers came into being because teeny tiny nibbler gears up front mean even teenier rear cogs and the drivers for existing cassettes wouldn't take 9t cogs...the driver is physically larger than the cog would have to be. One-piece units are a workaround so companies didn't have to invent a smaller driver standard or heaven forbid a new cassette. The other issue was durability...racers usually don't run compact sprockets, which means the cogs are larger, thicker and wear longer. The fewer teeth you got wrapped around a standard sized driver body, the thinner that cog gets and the more likely you are to wear it out or snap it.
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Old 11-06-05, 08:32 PM   #23
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Thanks Snazzy. That's why my cruiser came with 39/16. Saving weight would only result in compromised reliability. I broke a chain once already while racing. Don't need any more broken drivetrain components.
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Old 11-06-05, 09:27 PM   #24
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Originally Posted by BeermanAbout $100 for just the hub, spokes, and driver if you know how to lace a wheel to you old rim.


Ahem.
sorry Beerman, i missed that.
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Old 11-07-05, 01:43 PM   #25
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Quote:
Originally Posted by Expatriate
Thanks Snazzy. That's why my cruiser came with 39/16. Saving weight would only result in compromised reliability. I broke a chain once already while racing. Don't need any more broken drivetrain components.
And you're not saving *that much* weight with compact gearing...a handful of grams at best. Flatlanders were the first to demand tiny gears 'cause it kept their sh*t small and out of the way. Street and park riders jumped the bandwagon for that reason, and additionally because a smaller sprocket is harder to bend laterally when you smash it against concrete ledges or steel coping.
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