Brompton 6 speed - which chain link?

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simon.r

Person
Location
Nottingham
I like to carry a chain tool and a quick-link with me in case my chain breaks (I know it's not a common occurrence, but a couple of long walks home when I started cycling mean I'd rather be prepared!)

I know the chain on a Brompton 6 speed is 3/32", but I understand that this is the internal dimension.

Can anyone what pin length I need, or just which quick-link I need?
 

mjr

Comfy armchair to one person & a plank to the next
6/7/8 speed quick link will be the right size aka 3/32".
 

12boy

Guru
Location
Casper WY USA
SRAM and KMC quick links in my experience are not interchangeable, KMC with KMC, SRAM with SRAM. I haven't used anything but those two brands for years since they are what is available locally. I think the quick links for 9 speeds and up are too narrow for 6/7/8 chains but that's an opinion based on one chain for my Brompton. I usually buy 6/7/8 KMC Z chains as they work just fine for me.
 

mjr

Comfy armchair to one person & a plank to the next
Interesting. I've used KMC 6/7/8 quick links in other chains (Shimano for sure) but I've never tried SRAM in others because KMC is what is sold separately in local shops.
 
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