Author Topic: Chain Decision  (Read 1832 times)

Thomas777

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Chain Decision
« on: February 09, 2017, 04:52:42 PM »
I thought I sorted this out before but cannot seem to find the info.
What speed chain should I consider for my new set up?
Thanks!

bobs

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Re: Chain Decision
« Reply #1 on: February 09, 2017, 05:01:26 PM »
If it is a rohloff hub a single speed chain for an IGH should do .

Bob
« Last Edit: February 09, 2017, 11:49:05 PM by bobs »

RonS

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Re: Chain Decision
« Reply #2 on: February 09, 2017, 07:43:35 PM »
Like bobs said.

Any 8 speed 1/2 X 3/32 chain is also acceptable.

https://www.rohloff.de/en/service/faqs/index.html#c9537

REI will have a good selection of SRAM or KMC chains.

Matt2matt2002

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Re: Chain Decision
« Reply #3 on: February 09, 2017, 11:25:50 PM »
I have just fitted a KMCX1 to my Raven.
The previous one did 6,000+ miles.
Turned once. Chainglider on all the time.
I used Wiggle 23.38

I also bought a KMCX1 Ept. Extra protection apparently.
31.45.
I'll keep that one for next time.

I made the mistake of cutting it too short so think and measure carefully or you'll have to add a link.
Never drink and drive. You may hit a bump  and spill your drink

John Saxby

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Re: Chain Decision
« Reply #4 on: February 10, 2017, 07:48:28 AM »
I've used the KMC 8.93, Tom. They are inexpensive (about $15 in Canada) and seem to work just fine. There are two grades -- the nickel is slightly more expensive, and you need to ensure that the Quick-links match the chain. (The nickel is shiny/shiny.)

SRAM make a range of 8-spd chains.  I have an 850 at home, and will probably fit that in the spring.

Cheers

Thomas777

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Re: Chain Decision
« Reply #5 on: February 13, 2017, 12:07:32 AM »
So as I continue my education on Rohloffs another question comes to mind. Do you get more mileage while using a IGH vs. Derailleur?

Danneaux

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Re: Chain Decision
« Reply #6 on: February 13, 2017, 12:35:25 AM »
Quote
Do you get more mileage while using a IGH vs. Derailleur?
Yes! Surely! The primary reasons are twofold:

1) The chain does not have to bend sideways to accommodate a range of gears. This is true at both ends -- single chainring, single sprocket/cog. The chain incurs less wear by running in a straight line.

2) There are (for Rohloff installations using eccentric bottom brackets or sliding or ramped dropouts) no small tension pulleys for the chain to wrap around. This removes a major wear and friction point. Of course, for Rohloff installations using a derailleur-like chain tensioner, there is no difference in this regard.

Because the chain just runs in a straight line without lateral flexing, it does wear much longer than in a derailleur application. Also because the chain does not need to move laterally, it is possible to fit a "floating" chain case (i.e. Hebie Chainglider) to fully enclose the chain and protect it from grit and water exposure and lubrication loss. Of course, this will only work with some chainring/sprocket combinations because Hebie only makes the Chainglider to fit specific applications.

Best,

Dan.

Thomas777

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Re: Chain Decision
« Reply #7 on: February 13, 2017, 11:29:24 PM »
Thanks for your help! Just built the front wheel for my wife's touring bike yesterday. Her bike is going to get 1 more coat of clearcoat then the build can proceed.