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vickster

Legendary Member
I'd be careful of some of those, particularly KMC ones having bought four - three of which turned out to be fakes.
£2 more from Spa then

Or Hopkinson of Wakefield selling 11 speed SRAM chains through eBay for £11.49
https://www.ebay.co.uk/itm/SRAM-PC-...2349624.m46890.l49286&mkrid=710-127635-2958-0

just ordered one myself as I’m sure the Sabbath will need a new chain at some point

they also have KMC for £20
https://www.ebay.co.uk/itm/352235713924?epid=18031189340&hash=item5202e27584:g:RV4AAOSwUm9h6pEX
 
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Tribansman

Veteran
Thanks @vickster. I made the mistake of leaving my 11 speed bike in the shed for over a month following last ride in mucky/salty/gritty conditions. I bathed it in degreaser, scrubbed clean and then oiled. It's come up ok but a couple of the links look quite corroded and one of them still a bit stiff. It seems to run ok but I don't trust it, so have ordered a new one.
 

Milzy

Guru

vickster

Legendary Member
I bet they go rusty after one wet ride.
Why would they? My current SRAM chain has done around 1600 miles. I’m rubbish at cleaning it and not a spot of rust (under the grime)
:whistle:
If you want a high end chain (whatever that is), pay more for it 🤷‍♀️
 
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Spiderweb

Not So Special One
Location
North Yorkshire
Wiggle (who own CR) have the chain for sale at £10. However they have SRAM-pc830-7-8-speed-chain 23 pence less!
Ah but the more expensive one is a PC850:tongue:
Spend the 23p extra ......buy cheap buy twice!:laugh:
 

Ajax Bay

Guru
Location
East Devon
I am not recommending one or the other but do prefer SRAM to KMC, from experience (9sp).
the 830 is supposed to be inferior from what I understand - best avoided - the 850 is the sweetspot I think for after that upwards you are just paying for finishes not function. (PS - I'm not techie but have heard the above from folks who are)
The specs drawn from SRAM site for 830 and 850 cassettes are identical: even down to the colour (silver). I suggest you might adopt a more enquiring dialogue with your 'techie folk'.
All below Hal fords!
"The SRAM PG830 8 Speed Cassette 11-28 is great for off-road use with a steel lock ring and chrome plate sprockets. PowerGlide II cassette technology optimized for MTB. More reliable. More durable. Better performing, thanks to an optimal tooth profile and shift ramp design for quick and positive index shifting. Steel sprockets edit: delete; 276g.

"The SRAM PG-850 8 Speed Bike Cassette 11-28 with race-inspired Powerglide II technology is light-weight and durable. Make the most out of your bike with a great quality cassette and race your way to first place. [It] has been designed specifically for mountain biking. It is more dependable and resistant, and it provides high-level performance due to an optimized tine profile and the design of the shifting ramp for quick and efficient gear changes. Chromium-plated steel sprockets; 276g."
 
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Location
London
I am not recommending one or the other but do prefer SRAM to KMC, from experience (9sp).

The specs drawn from SRAM site for 830 and 850 cassettes are identical: even down to the colour (silver). I suggest you might adopt a more enquiring dialogue with your 'techie folk'.
All below Hal fords!
"The SRAM PG830 8 Speed Cassette 11-28 is great for off-road use with a steel lock ring and chrome plate sprockets. PowerGlide II cassette technology optimized for MTB. More reliable. More durable. Better performing, thanks to an optimal tooth profile and shift ramp design for quick and positive index shifting. Steel sprockets with step-riveted pins for strong side plate retention ; 276g.

"The SRAM PG-850 8 Speed Bike Cassette 11-28 with race-inspired Powerglide II technology is light-weight and durable. Make the most out of your bike with a great quality cassette and race your way to first place. [It] has been designed specifically for mountain biking. It is more dependable and resistant, and it provides high-level performance due to an optimized tine profile and the design of the shifting ramp for quick and efficient gear changes. Chromium-plated steel sprockets with step-riveted pins; 276g."
I seem to recall it was something to do with hardening/treatment of some of the bits in the chains.
And that someone from SRAM had confirmed this.
Not necessarily the sort of thing that might be highlighted in product blurb.
The techie person was someone I trust implicitly - knows more about such things than either of us ever will in 2 or 3 lifetimes I tend to think.
You are of course free to make your own purchasing decisions.
 

Ajax Bay

Guru
Location
East Devon
This was about cassettes, @Blue Hills, not chains ["something to do with hardening/treatment of some of the bits in the chains"].
Having said that I can find no difference to the spec of 830 and 850 chains on the SRAM site. But if SRAM don't tell us I guess we'll never know: maybe SRAM just want us to infer that 850 is 'greater' than 830 "because it is".
I am not trying to influence anyone's purchasing decisions nor people's credibility/trust thresholds: just a search for facts, because.
 

Sixmile

Guru
Location
N Ireland
Royal Core Shorts 1/2 price - £30

rey_abe1c0a8-d81e-42df-9697-f0aec18ceed7_1800x1800.jpg


All sizes available in either black or grey.

https://royalracing.com/products/core-shorts-2021?variant=39778450014345
 

Spiderweb

Not So Special One
Location
North Yorkshire
This was about cassettes, @Blue Hills, not chains ["something to do with hardening/treatment of some of the bits in the chains"].
Having said that I can find no difference to the spec of 830 and 850 chains on the SRAM site. But if SRAM don't tell us I guess we'll never know: maybe SRAM just want us to infer that 850 is 'greater' than 830 "because it is".
I am not trying to influence anyone's purchasing decisions nor people's credibility/trust thresholds: just a search for facts, because.
They look identical to me too. Maybe the 850 has 23p worth of improved packaging😂
 
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