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Why Does The Chain Go Around? Now Pics Too


thewoomaster
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Well i got a set of Tensile cranks with Tensile bash and a 18th cog. Now when i spin the pedals its not turning the chain or picking it up? When i spin them backwards it does pick up the chain and goes around both cogs?

I've checked the BB threads and the crank arms and there all ok.

Now the funny bit the bash can be undone while cranks are on but wont do up tight... Have ridden it like 4 times and it just happend :closedeyes:

Could it be the cog threads or the bb or HELP :(

Edited by thewoomaster
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Well i got a set of Tensile cranks with Tensile bash and a 18th cog. Now when i spin the pedals its not turning the chain or picking it up? When i spin them backwards it does pick up the chain and goes around both cogs?

I've checked the BB threads and the crank arms and there all ok.

Now the funny bit the bash can be undone while cranks are on but wont do up tight... Have ridden it like 4 times and it just happend :closedeyes:

Could it be the cog threads or the bb or HELP :(

Have you put them on the wrong side?

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You're going to have to explain it better. I can't really understand much from your first post, try to be more descriptive.

Word, it sounds like a troll post where you're pretending to not understand that front freewheels mean the chain goes round when you freewheel.

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It's pretty much impossible to work out what you mean in the first post, but it does sound like you've stripped your crank threads. When you pedal forward, the sprocket would be placed under more load than when you just backpedal it, so it's more likely to slip (not move the chain) when you pedal forward compared to pedalling backwards.

Again though, that's pretty much a guess.

Is this the new "I accidentally a whole coke bottle"?

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Right its a freehub hope pro 2, there is no freewheel set up at all, The chain does not go forward it goes backwards though.

The bash guard is lose and spins freely around the cranks and little bit were the bb cups showing. The chain still on both cogs and looks normal but it just does not pedal forwards. will make a little vid today.

Revolver said" Word, it sounds like a troll post where you're pretending to not understand that front freewheels mean the chain goes round when you freewheel.

LOL dude learn to read at no point in the post have i said it has a freewheel on the front and i cant work it out lol troll yourself dude :lol: Sorry but i am a little dyslexi

Edited by thewoomaster
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LOL dude learn to read at no point in the post have i said it has a freewheel on the front and i cant work it out lol troll yourself dude :lol: Sorry but i am a little dyslexi

LOL you never said it was a freehub in your original post.

Riight, so you can turn the wheel backwards, but you can't get it to turn forward?

Edited by Revolver
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Here are some pic's i took... The pics with the cog and bash looking done up are just pushed on, and were there lose is just after a few spins of crank. I have spun them forward and there's like nothing there it just turns but the cranks and bb turn together like they should work, BUT without the chain. As said backwards it all works fine? Its on a FREEHUB with Tensile 18 thooth cog plus the bash. Also could it be the cog threads are focked or the bash?

http://img13.imageshack.us/img13/5429/snc00596l.jpg

http://img28.imageshack.us/img28/7659/snc00595.jpg

http://img10.imageshack.us/img10/9702/snc00591h.jpg

http://img10.imageshack.us/img10/9702/snc00591h.jpg

http://img193.imageshack.us/img193/3034/snc00592.jpg

http://img171.imageshack.us/img171/3088/snc00593.jpg

Edited by thewoomaster
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Theres a lot of metal shards around the bb axle that shouldn't be there. The threads look quite flat and from you saying the cog is "pushed on" instead of screwed then it sounds a lot like you've stripped the threads off the crank/cog. The extra description of the cranks spinning but not the cog also sound like you've stripped the threads.

New crank and cog time for you!

Well, aside from the fact it's not screwed on, it seems fine.

snc00592.jpg

Theres, what looks like, bits of thread laying around the base of the cog here! How is that fine? Also the threads themselves are nice and shiny and flat, missing the point of the thread while the lowest parts have lots of grime and grease in.

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