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Old 18th June 2008   #1
Pistanator
 
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8mm chaintug

Just bought a pair of MKS chaintugs in the hope that one would fit on the Vivalo which has an 8mm gap in the dropout - they don't fit, the tugs are more 9/10mm

Put one on the other bike fine but does anyone know if they make an 8mm chaintug?

I did a search on here but couldn't find anthing. Thanks
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Old 18th June 2008   #2
haj
Does not compute, tugs come in 5mm or 8mm, and afaik the 5mm should fit most steel-frames and the 8mm most aluminum frames.. ?
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Old 18th June 2008   #3
teenslaindonor
 
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Pistanator's talking about the slots in his track ends (not the width of the track ends themselves)... Is that right Mr P? AFAIK some NJS frames handle 8mm axles (?) and some 9mm, NJS hubs come in both flavours...
Or am I just talkin' wank?
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Old 18th June 2008   #4
Pistanator
 
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I mean the gap of the trackend is 8mm, it's Keirin. I had to get a new axle for my Phil hub too
The tug just doesn't slide in as it's a mm or 2 too thick.
Excuse the shit pic:
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Old 18th June 2008   #5
stevo_comdonor
 
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file? dremel?
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Old 18th June 2008   #6
stevo_comdonor
 
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not on the track ends!!!!
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Old 18th June 2008   #7
teenslaindonor
 
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Quote:
Originally Posted by stevo_com View Post
file? dremel?
That would be the easiest thing to do, unless the Keirin Blogspot boys have got some 8mm tugs knockin' around... Is your hub slipping that much?
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Old 18th June 2008   #8
eeehhhh
Yeah, just take 1mm off the top and bottom of the tug.
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Old 18th June 2008   #9
Pistanator
 
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Can't file as the bit that doesn't slide in is part of the round/washer bit, ya get me!?


That bit that's on the washer with the 3 straight sides and curved edge onto the washer just won't slide in and can't be filed. Tits!
I'll have to look for a specific 8mm thick as oppose to a 9/10mm.
They must be around somewhere
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Old 18th June 2008   #10
gizmonddonor
 
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pack some 5mm ones?

get the 5mm and add a mill and a half to each side using that liquid metal stuff that hardens up after a few hours?
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Old 18th June 2008   #11
_Zed_donor
 
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Dude seriously you can borrow my dremel and file it down. it will work.
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Old 18th June 2008   #12
tomiskinky
I have the same issue with the Bridgestone.

Quote:
Originally Posted by gizmond View Post
pack some 5mm ones?

get the 5mm and add a mill and a half to each side using that liquid metal stuff that hardens up after a few hours?
The issue is that the section of the tug that sits into the dropout is too big, and not easily altered, and I for one will not be filing frame parts!!!
Attached Thumbnails
tug.jpg  
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Old 18th June 2008   #13
provenraddonor
 
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Good reason to downgrade to the cheapo pressed steel ones?
or.. go with Veds suggestion and take a dremel to the chaintug.
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Old 18th June 2008   #14
tomiskinky
Yes, you could Dremel the tab that has the axel loop to fit, but my point is, there is also a 10mm bock inside the other part of the tug that is also a 10mm fitting, and this part cannot be modified with any ease - my pick did not illustrate this well, I will try take one with a better camera, rather than my phone.
Attached Thumbnails
tug2.jpg  
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Old 18th June 2008   #15
provenraddonor
 
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ahhhh.... I get it now! theres a 10mm chunk inside the bit whoch slots over the end of the fork end.. gotcha. very fiddly. downgrade: ;-)
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Old 18th June 2008   #16
Pistanator
 
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That's the same as me then Tom. Seems strange that with Keirin drop outs/trackends of 8mm height slots(and there is a lot of them) that one can't find compatable tugs! Especially when the MKS are NJS as well
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Old 8th July 2009   #17
stussy2k
mates! some people on other forums say pro keirin riders use the cheapo ones like above, sooooo...
anyways, i have the same problem on my makino and not willing to compromise on the tug either so gonna go buy me a dremel ;)
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Old 9th July 2009   #18
_Zed_donor
 
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but are you a keirin rider?

are tugs necessary for the mean streets of peckham?!
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Old 9th July 2009   #19
RPM
 
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Quote:
Originally Posted by stussy2k View Post
mates! some people on other forums say pro keirin riders use the cheapo ones like above
do they really use chain tugs on the track?

I'm surprised, as there's no need for them whatsoever. On the road, however, they seem to be useful as the road surface, resistance when climbing and comparatively long mileage contribute to the wheel sometimes pulling forwards. But then most people run their chain too tight on the road anyway.

more to the point, why are you replying to a year-old thread?
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Old 9th July 2009   #20
Dovvlesdonor
 
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Ha ha, maybe he thought the OP would still be interested in his POV
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