Singlespeed chain……do i need a new one?
What make is your chain mcboo?
My SRAM PC1 is well worn and been on my list of things to replace, but never got round to it yet 😉
Measuring Chain Wear
The standard way to measure chain wear is with a ruler or steel tape measure. This can be done without removing the chain from the bicycle. The normal technique is to measure a one-foot length, placing an inch mark of the ruler exactly in the middle of one rivet, then looking at the corresponding rivet 12 complete links away. On a new, unworn chain, this rivet will also line up exactly with an inch mark. With a worn chain, the rivet will be past the inch mark.
This gives a direct measurement of the wear to the chain, and an indirect measurement of the wear to the sprockets:
* If the rivet is less than 1/16″ past the mark, all is well.
* If the rivet is 1/16″ past the mark, you should replace the chain, but the sprockets are probably undamaged.
* If the rivet is 1/8″ past the mark, you have left it too long, and the sprockets (at least the favorite ones) will be too badly worn. If you replace a chain at the 1/8″ point, without replacing the sprockets, it may run OK and not skip, but the worn sprockets will cause the new chain to wear much faster than it should, until it catches up with the wear state of the sprockets.
* If the rivet is past the 1/8″ mark, a new chain will almost certainly skip on the worn sprockets, especially the smaller ones.
From: Sheldon BrownPosted 8 years ago
I have a chain checker for my geared MTB, makes it nice and simple, I just change it regularly. In this case am on my first ever singlespeed so not sure what the scoop is. Dropouts being horizontal I am about to run out of room if I pull the wheel any further back in order to keep the chain tension nice and firm……Posted 8 years ago
Been riding my ss around town for about a year, chain has stretched to the point i’m about to run out of bite on the horizontal dropout if I slide it back any further. Is this the point where I just go and buy a new chain? Presume removing links is a terrible idea.
Chainring and rear sprocket look in OK nick, presume I can just leave them alone?
ThanksPosted 8 years agoJ0NMember
mcboo – Member
Yep can always remove a link but wont that cause the chain to be way out of sync with the ring and sprocket and cause them to wear out fast?
How can a chain be out of sync with a chain ring? only if your ring and sprocket are the same size. If different then the chain will cycle through each tooth for each link. Wear will be even and constant, removing a link wont change anything.Posted 8 years ago
Nice clean new chain will look nicer though 😉mysterymurdochMember
If you put on a new chain there’s a very good chance it will slip under power on the worn sprockets. I say put on a half-link.
PS, the KOOL BMX chain ain’t a bargain, this is a bargain!
*and for the record, I have done 12 months on one on the town bike with no noticeable wear on the chain or sprockets. It’s perfect and still looks uber bling!Posted 8 years agotomlevellMember
If you think your sprockets are worn they aren’t.
I get around 1000 to 1200 miles before I swap chains (KMC Kool Chain).
There is still life in the chain but it’s a bit too floppy and begins to start dropping.
No problem taking a link out on a singlespeed as long as your track ends are long enough.Posted 8 years agoturboferretSubscriber
That chainring has plenty of life left in it – just turn it around and get some use out of the other side of the teeth 🙂
If you order from Wiggle, I’d heard that they sometimes send a box of chains by accident when you order one, thus making them 10% of the price, that’s what I call bargainous!
Or could it also be called theft 🙄
Cheers, RichPosted 8 years ago
Had a chat with the LBS at lunchtime, their opinion it’s been stretched right out because of my size (90kg), the fact that i’m running 44-16 and live on top of a great big hill……reckon for the price of a £10 chain I can get plenty more out of the ring and sprocket if I change it now and wont risk snapping my chain right in front of a bendy bus.Posted 8 years ago
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