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PostPosted: Mon Jun 18, 2018 5:13 pm 
Old School Hero

Joined: Wed Jun 03, 2015 1:43 pm
Posts: 182
I need a new 7 speed chain and cassette. I'm looking at the two options below as possibilities. Not sure if there is much difference between them. Does anyone have any experience using option 1 components.

Cheers

Option 1

Shimano CS-HG41 7-Speed Cassette 11 - 28T

and

Shimano Tourney CN-HG40 6, 7, 8-Speed 116 Link Chain With Connecting Link

Option 2

Shimano CN HG71 Chain 6/7/8 Speed

and

SHIMANO CS HG70 7-Speed CASSETTE


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PostPosted: Mon Jun 18, 2018 5:24 pm 
King of the Skip Monkeys
King of the Skip Monkeys

Joined: Wed Nov 07, 2007 4:34 pm
Posts: 28807
http://www.halfords.com/cycling/bike-pa ... 2sQAvD_BwE

https://www.ebay.co.uk/itm/Taya-Octo-7- ... SwUd9aay8Q


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PostPosted: Mon Jun 18, 2018 5:25 pm 
King of the Skip Monkeys
King of the Skip Monkeys

Joined: Wed Nov 07, 2007 4:34 pm
Posts: 28807
and you can use 9spd chains too, they work well with 7/8 cassettes

plus

https://www.ebay.co.uk/itm/Sunrace-7-Sp ... Sw2Yta8KRq


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 Post subject: Re:
PostPosted: Mon Jun 18, 2018 8:22 pm 
Devout Dirtbag

Joined: Sat Apr 15, 2017 12:26 pm
Posts: 132
+1 for the SRAM cassette. I've got two: nice, quiet shifting and a wide range - as long as the rear mech can take it.

I thought that a nine speed chain on seven speed chain rings was supposed to run the risk of the chain falling between the chain rings. I've never tried it or measured to check, so that could be completely wrong, though.


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 Post subject: Re:
PostPosted: Mon Jun 18, 2018 9:10 pm 
Old School Grand Master
User avatar

Joined: Sun Mar 14, 2010 2:33 am
Posts: 3458
Location: daaan saaaf
I've never had any issues with 9 speed chains on a 7 speed set-up. I think the difference in width between a 7 speed chain and a 9 speed is less than half a milimetre and not enough to make any noticeable difference in use.


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PostPosted: Mon Jun 18, 2018 9:25 pm 
Old School Hero

Joined: Wed Jun 03, 2015 1:43 pm
Posts: 182
Thanks for the suggestions, are all these compatible with Shimano shifters?


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 Post subject: Re:
PostPosted: Mon Jun 18, 2018 10:09 pm 
Devout Dirtbag

Joined: Sat Apr 15, 2017 12:26 pm
Posts: 132
Yes, the cassettes are compatible; it's the SRAM derailleurs that use 1:1 activation that are not compatible with Shimano shifters.

Some discussion of nine speed chains on seven speed systems is here: https://www.bikeforums.net/bicycle-mech ... nkset.html. Experiences are mixed, by the sounds of it.


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