Which chain do I need?

tbaker

Hello,

I have a Trek 6000 and a couple of the links have seized up, so I thought i should replace the chain. As I tried freeing them up with oil and didn't succeed.

I have looked on the chain and it has 'HG' on the links as I know some chains have numbers on them, indication the type of chain. So I went online but I'm lost at what chain I need.

Could someone point me in the right direction?

The spec of the bike can be seen here:

http://www.trekbikes.com/uk/en/bikes/2007/archive/6000

Thank you.

leaflite

You can fit any 9 speed chain. From what Ive heard, most people tend to rate the KMC ones.


Any of these will do, the more expensive ones tend to be lighter:
http://www.chainreactioncycles.com/Models.aspx?ModelID=12756
http://www.chainreactioncycles.com/Models.aspx?ModelID=25423
http://www.chainreactioncycles.com/Models.aspx?ModelID=25422



Depending on how worn your cassette is, you may need to replace that too.

tbaker

Thanks.

So just to check - would this chain be OK?

http://www.chainreactioncycles.com/Mode ... delID=9873

Does the chain come in a complete circle, or do I need to fit the chain and then join it to make a loop. Also do I need any special tools?

CraigXXL

KMC and SRAM chains come with a joining link. Just shorten to same length as old chain and then refit making sure you fit around the pulleys correctly then join with link.

Bikerguy15

Just to add, HG stands for HyperGlyde. It's a type of shifting technology developed by Shimano. SRAM is a little different. They tend to rely on their 1:1 actuation ratio to provide smooth shifting. From personal experience, the both work as well as each other.

hairy_boy

I use an SRam Chain (think its the PC-951) on my 9 speed. My cassette and chainrings are Shimano and everything works fine.

mastermosher

+ for the KMC chains. :

anjs

So some things to consider:

How old is the chain? There is the chance that your cassette and chainring will have worn to match the chain if its old. Putting a new chain will cause it to skip as the chain will not mesh correctly with the cogs. Only fix is a new cassette and or rings if skipping.

You will need a chain tool to remove the extra links before joining and to take off your current chain. KMC and Sram provide a quick link which you can use to easy remove the chain in the futrue. Shimano use a speical joining pin that has to be put in using a chaintool. The pin can only be used once and has to be repalcaed each time its removed.

cavegiant

If you fit a new chain to a worn cassette they wil both wear very quickly and you will have wasted money.

I would swap both unless your cassette is VERY new.

blablablacksheep

cavegiant wrote:

If you fit a new chain to a worn cassette they wil both wear very quickly and you will have wasted money.

I would swap both unless your cassette is VERY new.

+100

I thought i could get away with just replacing the chain and as soon as i stuck it on it kept skipping on the cassette so that needed changing too....and then the chianrings also :roll:

lesson learned, buy a chain checker tool it save you a ton of problems.

merlin cycles had a good deal for cassette+sram chain cost me around £30 for both