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Old 12-27-07, 04:17 PM   #1
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How can I make a 120mm track hub work with 130mm spacing?

I have a set up 120mm track specific wheels that I would like to use to conver my brother's old Puch 6 speed. I haven't gotten his bike yet to measure, but is there some kind of way adapt the 120mm to a wider hub like 126mm or 130mm?
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Old 12-27-07, 04:42 PM   #2
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Add spacers between the cones & locknuts.

You might need a longer axle.
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Old 12-27-07, 05:02 PM   #3
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Add spacers between the cones & locknuts.

You might need a longer axle.
Where can I get these spacers? Ebay? Any name brands. Thanks
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Old 12-27-07, 05:05 PM   #4
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I would take the wheel to a decent shop and ask them to sell you what you need.

They can also measure the axle and help you determine if you need a longer one.
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Old 12-27-07, 05:14 PM   #5
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Where can I get these spacers? Ebay? Any name brands. Thanks
"Spacer" in this case is just another way to say "washer".
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Old 12-27-07, 05:32 PM   #6
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I did this with an axle that I bought at my LBS, works fine. You could also order one from Harris. http://sheldonbrown.com/harris/axles.html
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Old 12-27-07, 05:40 PM   #7
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"Spacer" in this case is just another way to say "washer".
He could probably pick them up at his local hardware store. He only needs 3mm on each side to space to 126mm and 5mm per side to space to 130mm. A regular flat washer per side should do it. If it's close (say 124 or 128 mm), the natural spring of the rear triangle will make up the slack.
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Old 12-27-07, 06:07 PM   #8
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He could probably pick them up at his local hardware store. He only needs 3mm on each side to space to 126mm and 5mm per side to space to 130mm. A regular flat washer per side should do it. If it's close (say 124 or 128 mm), the natural spring of the rear triangle will make up the slack.
Thank you. Home Depot, here I come!
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Old 12-27-07, 06:33 PM   #9
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He could probably pick them up at his local hardware store. He only needs 3mm on each side to space to 126mm and 5mm per side to space to 130mm. A regular flat washer per side should do it. If it's close (say 124 or 128 mm), the natural spring of the rear triangle will make up the slack.
Very true. In my case going from 120 to 130 with a thick aluminum track end there wasn't enough thread to use the track nuts.
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Old 12-27-07, 06:43 PM   #10
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If it's steel, you can always cold set it.
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Old 12-27-07, 07:01 PM   #11
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If it's steel, you can always cold set it.

+1, cold set the rear narrower.
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Old 12-27-07, 07:07 PM   #12
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If it's steel, you can always cold set it.
Er why frame mod when you can do it at the hub...?
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Old 12-27-07, 07:25 PM   #13
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Er why frame mod when you can do it at the hub...?
No real reason to. It's probably easier to go the hub route. Just throwing more options out there in case they're useful.
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Old 12-28-07, 01:18 PM   #14
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"Spacer" in this case is just another way to say "washer".
Yep.
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Old 12-28-07, 06:15 PM   #15
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What does cold set mean?
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Old 12-28-07, 11:22 PM   #16
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What does cold set mean?
Bending a piece of metal without heating it. It's used with steel bicycle frames to spread the rare triangle to accommodate a wider hub. Depending on how much wider you want to make the rear triangle, it may not be needed. Like going from a 126mm hub to a 130mm hub. Most of the time you can spread the triangle by hand and just jam the wheel in place.

Not recommended for aluminum frames.
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Old 07-06-14, 01:02 AM   #17
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Reviving an old thread

Is it possible to use this AC track hub (120mm) on a 130mm wide frame?

Hub:
TRACK|REAR

If so, do I need a bolt based axle as opposed to a quick release to fit the spacers?
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Old 07-06-14, 03:24 AM   #18
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if that hub is attached with a couple of bolts, and it looks like it is, you could just slip a 5mm washer between the end of the hub axle and the dropout. one on each side. the bolts may be too short, so don't get your hopes up.

you might want to look at how the axle is assembled. it might offer a cleaner solution.
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Old 07-06-14, 11:28 AM   #19
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Just search against my name for hub specs...

...you'll see plenty of write-ups on how to get the standard spec you need when converting a hub.

=8-)
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