Tight chain... dangerous?

ok, so i swapped from 16t to 18t rear cog, and my chain is tight, rather tight indeed.

wheel is jammed in as much as it can.

will this increase the chances of the chain snapping/stretching quicker? I know on my bmxes, i always used to run a bit slack, not sure why tho.

It will gradually knack whole transmission and be harder to push due to friction from imperfections in roundness of ring and cog and chainline being amplified by the chain being super taught. Will eventually grind itself to bits whilst probably being noisy with lots of clicks and pops.
Get a half link in there.

right.. better get a new chain then.

merci

right.. better get a new chain then.

merci

Just buy a link, something like a Powerlink will do it.

i guess mixing chains isnt so important, without gears to worry about! thanks!

if this is on a fixed then a power link will not cope.

yeh, this is fixed... wont cope? bugger

get a haf-link as suggested earlier, or new chain

if this is on a fixed then a power link will not cope.

Why not?

. . . or you can just get a couple of links from your local bike shop or someone here on the forum, what size are you 1/32 or 1/8 ?

japanese lbs' arnt great at giving away stuff :( but thanks for the offer :)

can get an izumi chain for around a fiver, so guess thats ok

way to much pressure on the chain the link isn't rated high enough to deal with braking forces aswell. great on a SS or geared as tension isn't as high.
go ask nicely for a few extra links. :)

not to mention pumping the bearing in the hub :S

if this is on a fixed then a power link will not cope.

not true....ignore.

Myself and many other track riders (some bigger sprinters than I) use power links so that they can easily swap chains and change gearing at track meetings......power links eliminate stiff links and I've never had a problem with them either on the track or 8 years 5 days a week as a courier.

the most stress a chain will take is a sharp acceleration ( away from traffic lights?) this will be the same whether riding fixed or freewheel, reverse pressure such as skidding or stopping is less anyway.

How do they hold up for brakless riding?

ive got a front brake... takes a bunch of pressure off i guess

not true....ignore.

Myself and many other track riders (some bigger sprinters than I) use power links so that they can easily swap chains and change gearing at track meetings......power links eliminate stiff links and I've never had a problem with them either on the track or 8 years 5 days a week as a courier.

the most stress a chain will take is a sharp acceleration ( away from traffic lights?) this will be the same whether riding fixed or freewheel, reverse pressure such as skidding or stopping is less anyway.

Yep, this has always been the general consensus through practice...

I could do the FEA on it for you but i'm too lazy. fair enough if in practice it works but having seen the stress test's on an sram powerlink in comparison to a solid chain i think i'll stick to a complete chain or a spring cliped link for high stress chains.
may be fine for track events where the chain is not expected to be run for a long period and is not used to brake quickly (i.e. skiding) but on the road the braking force is comparible if not greater than accelaration force.

just as abit of info on how the sram link failed it didn't snap it bent and then came apart. no fixed connection between either plate allowed it to deform.
i couldn't generate enough force to do this but the conclusion was that extreme stress could cause a suitable situation where the link would fail.

ignore me if you want you'll most likely be fine.

well having done a quick scout for other opinions it appears that my own experience goes against that of most people. i shall retract my statment and say do as you wish. oh and for note it was a 10 speed chain that was tested which the links are not reusable on apparantly which i don't think the tester knew.

ive bent and then snapped a 9sp scram chain on my mtb, so its not that rare.

thanks for the advice anyway! everyone (even if it is all conflicting)

Racist.

I rode brakeless with a sram 8spd chain with a power link for about a year (before I changed to a better bike) and never really had any problems with it. On mtb's chain snappage usually happens when changing gears when chain tension is really high.

but on the road the braking force is comparible if not greater than accelaration force.

Please enlighten me, the physics of that statement make no sence? I need to understand your reasoning :-)

a=(v(t+td)-v(t))/td

acceleration tends to be over a longer period than sudden deceleration.

*I've got three things to say about that:

Shite, and shite
*