The on-one cogs have been fine for me

Surly - they're silver

Surly - they're silver

Does that make a huge difference in performance? 😉

They are sprockets. Cogs intermesh with other cogs. Chains drive sprockets. Get it right! 😉

Oops - I really should know that as a D&T teacher! 😳

Shimano DX here - very cheap (£2.75 I think) and seem to work OK.

not much between surly an on one. the colour and the surly ones have holes if you go big enough (18T i think)

not much in the wear rates either - none of mine look hooked toothed at all after a few thousand miles. (both brands i mean)

boone?

surly for me.

Don't fit EAI alloy ones.
[img] [/img]

Steel ones are much tougher.
[img] [/img]

samuri.

i dont understand how that top sprocket can get like that?
it didnt work did it?
surely theres no way that sprocket worked well enough to get into that condition... :s

enlightenment praps?
x

My groove armada ahs been working perfectly (well, what could go wrong really!) but more importantly is showing no real wear after 2 years which I'm pretty happy with.

Surly or Chris King for me.

mate wore a groove armada out pretty quickly. if you have a choice though go bigger front and back and they should last a bit longer.

I've 18 and 19t on-one ones, intended to run them with a 38t front ring, but the knee relapsed 🙁

I run a 33t on the front (odd size I know, but that's what the truvativ SS chainset came with) I have been running 18t on the back, and have tried 16, 18 and 20t on the back - all of which seem to leave a really slack chain to take up with the chain device. It's an old Sunn frame, and I think that an odd toothed back ring is (hopefully!) going to give a better chain length. So think I'll plump for a 19t.

Where are Dx ones that cheap?

Have a look at Charlie the Bike Mongers website. I've had loads off him and they've been ace!

I have a surly and its not showing any wear yet.

i've not worn a surly ring or sprocket out yet, but saying that my old plate metal one still ok to and cheap
probably buy half dozen plate ones compared to surley, they are slightly blinger though, especially when some velosolo spacers are used

[img] [/img]

8)

Surly or One-one are both good.

The EAI one Samuri posted isn't a singlespeed cog, it's a fixed cog. Their steel ones are ace.

Are they steel singlespeedstu? look great, i bet they cost more than some peoples bikes though 😉

They're Boone Ti rings. 8)

[img] [/img]

www.bromleybike.co.uk/shop/components-spares/chris-king-service-centre/chris-king-hub-spares/chris-king-stainless-steel-cogs-318910.html

mattsccm - Member
Where are Dx ones that cheap?

[url= http://www.allterraincycles.co.uk/product/104430.html ]shimano DX at £2.70[/url]

Olly, if you keep tightening the chain up, it keeps working, up to a point. I run chains on my fixies nice and tight so I don't get any lurch when I back pedal.