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PostPosted: Tue Jul 10, 2012 10:12 pm 
Gold Trader
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Joined: Tue Jan 19, 2010 7:53 pm
Posts: 3068
Location: Northumberland
Hey, I took my Lopes 4x bike into my LBS today to get my new gears and what not set up. Now my problem is the chain line seems to be out and when running in the lower gears the chain jumps off the front chain ring and lands on the bb shell, its set up as 1x9. The guy in the shop is saying I need a chain guide for it but the cheapest one he has is £70 and I dont have that spare right now. Is there no other way of sorting it like putting a spacer or two in the bottom bracket axle (external bb) to kick the chainset out a bit? Any help would be great. cheers Rob


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PostPosted: Tue Jul 10, 2012 10:19 pm 
Gold Trader / rb Rider / Special
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I have had this before hence why i normally run chain device (used to come off alot).

Some people do fine though.

Chances are you will have 3 spacers on there, generally 2 on the left side and one on the right. I guess you could put all 3 to the left but check to make sure there is enough bb thread going in. Not sure id trust it.


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PostPosted: Wed Jul 11, 2012 1:39 pm 
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Hi Rob,

You probably will need a chain device - or some Race Face cranks that have a set of axle spacers to allow a degree of movement of the cranks. Either way, you'll probably need to splash some cash.

What side of the crank spider are you running the chain ring? Have you tried moving that to the inside / outside of the crank spider to see if that helps?

Superstar do some pretty cheap chain devices.....failing that a second hand one?


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PostPosted: Wed Jul 11, 2012 3:13 pm 
Gold Trader
Gold Trader

Joined: Tue Jan 19, 2010 7:53 pm
Posts: 3068
Location: Northumberland
Yeah thats what I'm thinking, I'm running the chain ring on the inner side og the spidee as I've got a bash guard onthe outer. col I'll go have a look at superstar.


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PostPosted: Wed Jul 11, 2012 3:34 pm 
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You may get away with a roller tensioner like a Blackspire Stinger. Some added tension may help it. If you can stretch to a proper chain device, it'll be better in the long run.

It does amaze me how much people get away with charging what they do for a chain device, especially now that bash rings are no longer common place.


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PostPosted: Wed Jul 11, 2012 5:14 pm 
Gold Trader
Gold Trader

Joined: Tue Jan 19, 2010 7:53 pm
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Location: Northumberland
Yeah I'm in no desperate hurry so I might just get a few pays in then start looking. Yup prices seem very high.


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PostPosted: Wed Jul 11, 2012 7:40 pm 
Gold Trader / rb Rider / Special
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Some are £100+ - insane!

Trix, you confused me with what bb you have?


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PostPosted: Wed Jul 11, 2012 11:19 pm 
Gold Trader
Gold Trader

Joined: Tue Jan 19, 2010 7:53 pm
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Location: Northumberland
Its a hone external one.


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PostPosted: Wed Jul 11, 2012 11:22 pm 
Gold Trader / rb Rider / Special
Gold Trader / rb Rider / Special
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Joined: Mon Aug 31, 2009 12:26 am
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Location: Rurally close.
Oh you said to me about axle length? Thats what confused me.


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PostPosted: Wed Jul 11, 2012 11:32 pm 
Gold Trader
Gold Trader

Joined: Tue Jan 19, 2010 7:53 pm
Posts: 3068
Location: Northumberland
No no It wasnt axle length I ment it was the chain ring size for the bash guard its 104 bcd. Even tho I got mixed up and said 4x110 bcd with was the wheel spacer size for my old Honda quad! DO'H!


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