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PostPosted: Sun May 27, 2012 9:14 pm 
retrobike rider
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Joined: Wed Mar 03, 2010 11:59 am
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Location: Near Southampton
Hi

I'm currently running a Shimano XT drivetrain-ish

- M760 crankset...like new
- M772 rear mech new 2 weeks ago
- M770 front mech n ew 3 months ago

- Chain sram PC 9.71 new 3 months ago
- Rear cassette Shimano HG-50 9 speed maybe a year old but looks fine...

So heres my issue. Although its shifting perfectly and both mechs are are working as they should...it just feels a bit "gritty"? Sort of like the chain has sand in it. I've cleaned both the chain and cassette but just feels ropey. Is the fact that its a sram chain the problem...or the wrong type of sram chain for this setup?...

One other consideration is that I lube the chain with just plain ol GT85 should I be using a specific chain lube? Everything else is like new...

So before I go and buy another cassette and chain what are peoples thoughts?

Cheers in advance

Wook


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PostPosted: Sun May 27, 2012 9:18 pm 
Gold Trader / rb Rider / Special
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YES please use chain lube NOT gt85. I use gt85 to de grease which is essentially what you dont want. (Have you been to halfords? haha!).

Get a proper chain lube and clean the chain with washing up liquid and water.


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PostPosted: Sun May 27, 2012 9:19 pm 
retrobike rider
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ah ok so not the chain being sram that's the problem or the wrong type?


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PostPosted: Sun May 27, 2012 9:20 pm 
Gold Trader / rb Rider / Special
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Any branded chain is ok as long as its 9 speed. The chain is fine.


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PostPosted: Sun May 27, 2012 9:21 pm 
retrobike rider
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...so whats the be lube to go for?


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PostPosted: Sun May 27, 2012 9:27 pm 
Gold Trader / rb Rider / Special
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Well thats a whole other minefield, first you need to decide whether you ride mostly wet or mostly dry.

Then have a search as there are already a few topics on best branded ones, read reviews etc.


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PostPosted: Sun May 27, 2012 9:32 pm 
retrobike rider
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yeah....I've seen the numerous tubes of stuff in the LBS...confused, yes, why I've been using GT85! Thing is my rides are both...the local routes i ride are both clay and sand...and depending on how the summer goes both wet and dry!...so do i need a different lube for different conditions?


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PostPosted: Sun May 27, 2012 9:48 pm 
Gold Trader / rb Rider / Special
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Yes some cover wet/damp and others are dry/damp depending on the brand etc.
Im not sure if there is an all weather one.
There is also waxes and whatnot too.


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PostPosted: Sun May 27, 2012 10:09 pm 
retrobike rider
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Oh geeeeez! Its all starting to sound like hair styling products! Some thing which I am just as unfamiliar with due to ageing! Trying to research at the moment but like you say a minefield....I'm getting to the thought of one for wet/muddy condititon and one for dry dusty....God knows!...might just go for lard!


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PostPosted: Sun May 27, 2012 10:12 pm 
Gold Trader / rb Rider / Special
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Haha!

I use 2 different ones. Normally the muc off ones. Work fine for me. I find the dry one does gather grit but i suspect its probably a common thing.

With riding 60 miles or so a week i clean/lube once a week generally.


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