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I need to move my sprocket out 1mm....thought i could use some sort of spacer on the hub. Anyone got any experience of this...where to buy etc? Ta
You need a 1mm cassette spacer, go into any bike shop with a work shop/mechanic, they generally have boxes of crap like that, although 1mm one's are not so common.
I have loads of the bastards, but only a few 1mm ones.
Or get a piece of plastic (like a loyalty card from a supermarket, by the till) and cut out a neat circle using your lockring as a template.
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Many Shimano cassettes came with one piece 1mm spacer between top and 2nd gear. I think it was the old 6 and/or 7 speed version.
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Found something here...
http://www.velosolo.co.uk/shoptrack.html
'CNC Threaded Cog Spacer Kit'
Bit pricey!
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Get your local machinist to make a bunch of them, then sell them on to other forumengers! Your local machinist probably needs the work, you'd be starting a small business, and forumengers could satisfy their chainline obsessions. Happiness all around.
£40/10 from my friendly lathe merchant in stainless steel 0.4mm thick. 1mm alloy ones would be less, I'm sure.
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Is this kind of spacing advisable? Won't it be kind of hanging, semi-threaded onto the hub?
It seems like what I need to do (without shelling out on a new wheel with a wider hub), but doesn't sound quite right.
[edit: just had a look at that VeloSolo spacing kit, and they give a caution about making sure there's enough thread left to secure the cog.]
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I wonder if you might be better spacing the hub with a 1mm washer on the axle side rather that putting one behind the sprocket. Taking two turns of the hub thread out of the sprocket does make it a bit more prone to stripping.
Just a thought as I have two stripped hubs here that have been "spaced" to get the right chain line.
Allister
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I wonder if you might be better spacing the hub with a 1mm washer on the axle side rather that putting one behind the sprocket.
I don't understand how that'd increase my rear chainline?
Anyway after trying a 1.5mm and 1mm washer and seeing the lockring sticking out, I've decided to leave the rear cog and concentrate on reducing the front instead. New BB etc.
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hello guys! i am trying to sort out my chainline, i have a sugino BB 103mm but the chain still touches the outer side of the teeth of the chainring... Is it really bad if i put spacers on the hub..? i hope it will not need more than 2.5 mm but i am worried if there will be not very much thread for the cog and the lockring..
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hello guys! i am trying to sort out my chainline, i have a sugino BB 103mm but the chain still touches the outer side of the teeth of the chainring... Is it really bad if i put spacers on the hub..? i hope it will not need more than 2.5 mm but i am worried if there will be not very much thread for the cog and the lockring..
No problem putting spacers on the rear hub. Standard BB spacers fit, but if you dont have any laying around velosolo sell packs. 2.5mm might be your absolute max though. Just make sure you can get a few good turns of both.
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Cog spacer..?
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@bigcoggs
I need to move my sprocket out 1mm....thought i could use some sort of spacer on the hub. Anyone got any experience of this...where to buy etc? Ta