BMX Problems

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11/6/2016 1:21 PM

My chain is really tight (cant even move it) then when i spin it round really loose (touching frame) i have moved the wheel back but that has done nothing, I also got a new sprocket and put it on but that hasnt really helped either any ideas?

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11/6/2016 2:32 PM

I have the same problem, on 2 different bikessad
I changed hubs, BBs, sprockets and I run only spline drive sprockets

My lbs can't really tell what's going on
This is indeed really annoying

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11/6/2016 2:36 PM

am-shaegar wrote:

I have the same problem, on 2 different bikessad
I changed hubs, BBs, sprockets and I run only spline drive sprockets

My lbs ...more

Have you changed the chain that could be the problem?

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11/6/2016 7:44 PM

Is your hat washer sitting on right? (If you have one, that is)

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11/7/2016 1:53 AM

DanTheBikerMan wrote:

Is your hat washer sitting on right? (If you have one, that is)

Yeah its on there correctly

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11/7/2016 2:29 AM

Yep, the chain also...twice, no change sad

I am going to change the frame and the cranks very soon though smile)

It's like it has a microscopic wobble from side to side...

Has anyone ever experienced such a massive tight spot?

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11/7/2016 4:38 AM

Maybe your sprocket isn't sitting on the spindle right.
Perhaps your spindle is too small for the sprocket?

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11/7/2016 4:42 AM
Edited Date/Time: 11/7/2016 4:44 AM

GCBMX69 wrote:

Maybe your sprocket isn't sitting on the spindle right.
Perhaps your spindle is too small for the sprocket?

My spindle aint as long as the last one but its as thick / wide as the last one also the spacer looks like it fits well as its the one that came with the sprocket

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11/7/2016 4:46 AM

GCBMX69 wrote:

Maybe your sprocket isn't sitting on the spindle right.
Perhaps your spindle is too small for the sprocket?

Jimbo35637 wrote:

My spindle aint as long as the last one but its as thick / wide as the last one also the spacer looks like it fits well as its ...more

When looking at it; does it look crooked at all?

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11/7/2016 4:48 AM

GCBMX69 wrote:

When looking at it; does it look crooked at all?

If you mean the sprocket then no i have had it for a couple of weeks but i havent checked the spindle yet

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11/7/2016 4:59 AM
Edited Date/Time: 11/7/2016 5:18 AM

Jimbo35637 wrote:

My spindle aint as long as the last one but its as thick / wide as the last one also the spacer looks like it fits well as its ...more

GCBMX69 wrote:

When looking at it; does it look crooked at all?

Jimbo35637 wrote:

If you mean the sprocket then no i have had it for a couple of weeks but i havent checked the spindle yet

Ok so I have a few suggestions.
Either A: try to straighten your sprocket, maybe adding a spacer or two if it keeps getting thrown off of alignment.
B: see if there is any sort of warping. Like maybe the sprocket or a couple teeth could be bent.
Or C: check the bolt that tightens the sprocket to the cranks (unless you run a spline drive setup) make sure it's not too loose or tight.

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11/7/2016 5:43 AM

GCBMX69 wrote:

Ok so I have a few suggestions.
Either A: try to straighten your sprocket, maybe adding a spacer or two if it keeps getting ...more

I think i tightend it to much cause i can barely turn it i will try loossing it and see what happens

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11/7/2016 5:48 AM

If i tighten one side is the other suppose to get tighter on its own?

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11/7/2016 11:17 PM

Jimbo35637 wrote:

If i tighten one side is the other suppose to get tighter on its own?

Yeah, you're affectively pulling the axle through to the side you tighten, putting equal force on the other side.

If it's a new sprocket and chain, and both are installed correctly, there must be something else thats continually moving the driver and sprocket closer together/further apart. Bent axles is the only thing I can think of, but even that wouldn't have such a big affect. Other than that, all I can think of is sprocket deflection

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11/8/2016 3:05 PM

grumpySteve wrote:

Yeah, you're affectively pulling the axle through to the side you tighten, putting equal force on the other side.

If it's a ...more

I havent got a new chain but have just bought one i only had a new sprocket, apparently your suppose to replace both at the same time?

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11/8/2016 3:21 PM

idk if you're still having this problem.. but i ran into this issue a few months back. what i did was took the washers from my dropout bolts, (back wheel bolts) and switched them to the opposite side and suddenly it worked wonders. hopefully it magically works wonders for you too :/

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11/8/2016 3:25 PM

MooseyLuck wrote:

idk if you're still having this problem.. but i ran into this issue a few months back. what i did was took the washers from my ...more

I give it a go see if it helps thanks

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11/8/2016 11:38 PM

MooseyLuck wrote:

idk if you're still having this problem.. but i ran into this issue a few months back. what i did was took the washers from my ...more

Jimbo35637 wrote:

I give it a go see if it helps thanks

Let us know if it's working :D

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11/8/2016 11:39 PM

MooseyLuck wrote:

idk if you're still having this problem.. but i ran into this issue a few months back. what i did was took the washers from my ...more

Moosey, would you have the time to post a pic with the washers?
Because I'm not really sure where they are smile)

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11/9/2016 6:17 AM

MooseyLuck wrote:

idk if you're still having this problem.. but i ran into this issue a few months back. what i did was took the washers from my ...more

am-shaegar wrote:

Moosey, would you have the time to post a pic with the washers?
Because I'm not really sure where they are smile)

sure thing. smilePhoto

basically, the thin circle thing between the bolt and the dropout.

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11/9/2016 9:33 AM

Jimbo35637 wrote:

If i tighten one side is the other suppose to get tighter on its own?

grumpySteve wrote:

Yeah, you're affectively pulling the axle through to the side you tighten, putting equal force on the other side.

If it's a ...more

Jimbo35637 wrote:

I havent got a new chain but have just bought one i only had a new sprocket, apparently your suppose to replace both at the ...more

You could just have a moody chain then. Stretching a chain, or part of the chain is pretty common. Is it tight in the same spot with each rotation?

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11/9/2016 12:41 PM
Edited Date/Time: 11/9/2016 12:42 PM

grumpySteve wrote:

Yeah, you're affectively pulling the axle through to the side you tighten, putting equal force on the other side.

If it's a ...more

Jimbo35637 wrote:

I havent got a new chain but have just bought one i only had a new sprocket, apparently your suppose to replace both at the ...more

grumpySteve wrote:

You could just have a moody chain then. Stretching a chain, or part of the chain is pretty common. Is it tight in the same ...more

Nope, the tight spot is in different places on the chain with each rotation

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11/10/2016 12:02 AM

MooseyLuck wrote:

idk if you're still having this problem.. but i ran into this issue a few months back. what i did was took the washers from my ...more

am-shaegar wrote:

Moosey, would you have the time to post a pic with the washers?
Because I'm not really sure where they are smile)

MooseyLuck wrote:

sure thing. smilePhoto

basically, the thin circle thing between the bolt and the dropout.

Thx mate!

Tried it, unfortunately it made no difference sad
Hopefully this will get fixed with a new frame and cranks smile)

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11/10/2016 3:27 AM

does anyone know what bottom bracket this is? plz help Photo

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