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147mm vs 160mm Axle Length?

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147mm vs 160mm Axle Length?

Old 12-05-22, 05:54 AM
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1989Pre
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147mm vs 160mm Axle Length?

Is 147mm for single-speed? (My dropouts are 114mm.)

Last edited by 1989Pre; 12-05-22 at 07:59 AM.
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Old 12-05-22, 09:59 AM
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Bolt-on, or quick release? Also, what is the threading on your axle?

If your rear dropouts are spaced at 114mm, your bike most likely came with a coaster-brake or 3-speed hub originally. If you want to run derailleur gears, you'll need to respace it to at least 120mm.
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Old 12-05-22, 10:49 AM
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Originally Posted by 1989Pre View Post
Is 147mm for single-speed? (My dropouts are 114mm.)
The axle is usually about 11mm longer than the OLD. I am guessing that 147mm axle is for a 135mm MTB hub
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Old 12-05-22, 11:56 AM
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Originally Posted by icemilkcoffee View Post
The axle is usually about 11mm longer than the OLD. I am guessing that 147mm axle is for a 135mm MTB hub
It's actually a British vintage hub. A 4-speed freewheel will definitely not fit, here, being 7/8" wide. No room on the drive-side axle end for a claw, either.
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Old 12-05-22, 11:59 AM
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Originally Posted by eeuuugh View Post
Bolt-on, or quick release? Also, what is the threading on your axle?

If your rear dropouts are spaced at 114mm, your bike most likely came with a coaster-brake or 3-speed hub originally.
These are solid axles with British 26tpi threading.
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Old 12-05-22, 02:02 PM
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Originally Posted by 1989Pre View Post
It's actually a British vintage hub. A 4-speed freewheel will definitely not fit, here, being 7/8" wide. No room on the drive-side axle end for a claw, either.
looks like a track/fixed gear hub with that stepped threading
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Old 12-05-22, 02:18 PM
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Originally Posted by icemilkcoffee View Post
looks like a track/fixed gear hub with that stepped threading
Yep, it does.., but I thought I could cheat with a gear that was a little wider. The short axle length caught me by surprise.
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Old 12-05-22, 05:02 PM
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I would leave that hub for fixed gear service.
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