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Izumi V Super Toughness, noise and sprocket combinations.

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Izumi V Super Toughness, noise and sprocket combinations.

Old 10-04-14, 08:25 AM
  #1  
SkylarG
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Izumi V Super Toughness, noise and sprocket combinations.

I'm riding an Izumi V chain with a Phil Wood cog and 44rn chainring and my drivetrain is the loudest it's ever been, like small motor loud. I can't identify one part as the culprit because I switched everything at once from a Dura-Ace cog, SRAM pc-1 chain, and 15000km of wear All-City ring, but that setup was damn near dead silent. My guess is the chain based on many others saying they also have a lot of noise with the Izumi.

I'm curious what cog/chainring combinations people riding the Izumi V have, and whether you're running silent or with noise.
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Old 10-04-14, 09:30 AM
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It's the cog, not the chain.

Phil Wood cogs are notoriously noisy because the teeth are too long and catch the chain's links as they roll off, especially when your chain is pretty tight. Despite how nicely they are machined and how much they cost, they're turds.

I'm using Super Vs on two of my bikes with EAI cogs (one standard and one Gold Medal) and they are both dead silent.

Last edited by Scrodzilla; 10-04-14 at 12:31 PM.
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Old 10-04-14, 09:45 AM
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I agree with Scod, that it's always going to be the cog that is the culprit, unless the the chain is badly stretched. Years ago I had serious problems with noise and rough running, and the culprit turned out to be a badly machined Surly cog.
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Old 10-04-14, 10:57 AM
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Are Phil's cogs then supposed to more efficient for racing with all of that extra catch? Seems like if they're making noise, it's not efficient at all... why not change the design by now?
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Old 10-04-14, 11:00 AM
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I would think the louder the noise, the more friction there is, which would in turn be a loss of momentum... am I wrong?
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Old 10-04-14, 12:32 PM
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Originally Posted by MattoftheRocks View Post
Are Phil's cogs then supposed to more efficient for racing with all of that extra catch?
That's some crazy logic, right there.
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Old 10-04-14, 01:08 PM
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Originally Posted by Scrodzilla View Post
That's some crazy logic, right there.
Pretty much. I also use maple syrup for chain lube.
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Old 10-04-14, 01:39 PM
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They might be better if you like a lot of chain slack.
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Old 10-04-14, 05:00 PM
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+2
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Old 10-04-14, 05:44 PM
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I have a couple of both and yeah phil's are louder but it's not that bad that you need to replace it immediately.... A lubricated chain makes a big difference too running phil cogs.

Originally Posted by MattoftheRocks View Post
Are Phil's cogs then supposed to more efficient for racing with all of that extra catch? Seems like if they're making noise, it's not efficient at all... why not change the design by now?
It's for what they perceived as better durability if anything.
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Old 10-04-14, 07:03 PM
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Just turn up your headphones.
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Old 10-04-14, 10:27 PM
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Originally Posted by Leukybear View Post
I have a couple of both and yeah phil's are louder but it's not that bad that you need to replace it immediately.... A lubricated chain makes a big difference too running phil cogs.



It's for what they perceived as better durability if anything.
You shouldn't need to over-lubricate your chain (as most people do) to make up for a poorly-designed cog.

EAI > Phil Wood all ****ing day.
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Old 10-04-14, 10:37 PM
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Originally Posted by Scrodzilla View Post
You shouldn't need to over-lubricate your chain (as most people do) to make up for a poorly-designed cog.
In essence as long as it isn't bone dry considering it's the lube that makes its way into the rollers that matters. Don't forget to wipe off excess lube too.
From experience, wet lube makes a difference of wonders compared to dry with a phil cog too.
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Old 10-16-14, 10:21 PM
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Originally Posted by Scrodzilla View Post
I'm using Super Vs on two of my bikes with EAI cogs (one standard and one Gold Medal) and they are both dead silent.
Is there any noticeable difference between the standard, Superstar and Gold when riding in the street? That ti-nitride coating is supposed to be more corrosion resistant, but snow/winter resistant?

I actually prefer EAI cogs, but I'm running Phil hubs and Phil says to not use EAI cogs for risk of stripping threads. Considering rebuilding the wheel just to make this switch.
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Old 10-16-14, 11:10 PM
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There's a lot of bull**** regarding EAI/Phil Wood compatibility. I've been using EAI cogs on Phil Wood hubs for years with zero issues whatsoever.

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Old 10-17-14, 12:41 AM
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I'll second the Phil hubs to EAI cogs combo not being a problem. It's fixed gear folklore, similar to how lots of people do not understand that you can run a freewheel on a fixed-threaded hub.
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Old 10-17-14, 12:46 AM
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Def not a combo problem.

The only thing related to compatibility with phil hubs is the lockring which has to be italian threaded. So you can technically run a miche or campy lockring right alongside your EAI cog to tell phil to suck it for making loud cogs yet here's some money for your hubs.
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Old 10-20-14, 08:11 PM
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Phil says not to use EAI cogs on their hubs because THEY MAKE THEIR OWN FRIGGIN' COGS! It's like going to a Heinz cafeteria and asking if you can put Hunt's brand ketchup on your fries. They ain't gonna tell you to use another brand even if it will still work because they want yo' moniez.
That is of course unless you are Campy in which case your fries are not compatible with other ketchups but their ketchup is probably better and actually is Grandma's red sauce. Also they cost a ton more but they damn sure look tasty.
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Old 10-20-14, 09:56 PM
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'
This is my phil wood cog w/ an Izumi chain.

Replaced the cog with an emergency origin 8 cog. Its running amazing now. The bike:
Raleigh Macaframa - Pedal Room
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Old 10-21-14, 10:24 AM
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You got some shark finning going on there. The wear on that may explain some of your drivetrain noise.
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Old 10-21-14, 01:00 PM
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Originally Posted by Scrodzilla View Post
There's a lot of bull**** regarding EAI/Phil Wood compatibility. I've been using EAI cogs on Phil Wood hubs for years with zero issues whatsoever.

This is gorgeous
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