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RADBMX.CO.UK  |  Technical & Reference Section  |  Tech and Restoration  |  14mm axles machined down to fit 10mm dropouts
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Author Topic: 14mm axles machined down to fit 10mm dropouts  (Read 1481 times)

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firebird4130

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14mm axles machined down to fit 10mm dropouts
« on: March 28, 2008, 06:54 PM »
Does anyone know if machining down 14mm axles would make them weak ?
THANKS

Offline TwoBobRob

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Re: 14mm axles machined down to fit 10mm dropouts
« Reply #1 on: March 28, 2008, 09:51 PM »
It's been done in the past. Two flats ground into the axle. The biggest problem is wheel nuts stripping their threads....  The way to get around this is to just grind a very narrow area to allow for the dropouts, and leave the outer ends of the axle untouched  :)

I don't think you'd get away with it if it's a hollow axle though, I'm not sure there's enough material in them to stay strong enough.


firebird4130

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Re: 14mm axles machined down to fit 10mm dropouts
« Reply #2 on: March 28, 2008, 09:57 PM »
Thanks mate, thats exactly what I needed to know,
Cheers

perry

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Re: 14mm axles machined down to fit 10mm dropouts
« Reply #3 on: March 29, 2008, 08:22 PM »
i was always on the asumption that axles are hardened ? so cutting notches would leave a stepped area of non hardened steel more prone to snapping in that area

itl probably be ok , i wouldnt put pegs on it though

SaMAlex

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Re: 14mm axles machined down to fit 10mm dropouts
« Reply #4 on: March 29, 2008, 08:27 PM »
The first Oversized (and Left hand drive) hubs I made had 12mm axles. I didnt wanna cut the frame at first so I ground flats in the axles that were a tiny bit wider than they dropouts (just like Rob said). It was only really the axle threads I took off, and the peg still had the support of the larger cones and bearing behind it.

Id say cutting the dropout is always best, but if there is a reason you dont wanna do this, flats on the axle aint too bad, esp if youve got spare axles.

perry

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Re: 14mm axles machined down to fit 10mm dropouts
« Reply #5 on: March 29, 2008, 08:31 PM »
my mate had a shimano hub on his cruiser that had factor notched axles for the 10m dropouts but keeping it a 14mm axle

arnt they surface hardened like unsealed pedal axles though ?

firebird4130

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Re: 14mm axles machined down to fit 10mm dropouts
« Reply #6 on: March 29, 2008, 08:43 PM »
I can't be arsed with that now I can't believe how hard it is to find some 10mm 48's with chrome rims, has anyone got some?

jackel

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Re: 14mm axles machined down to fit 10mm dropouts
« Reply #7 on: March 29, 2008, 08:49 PM »
can get you a set of nos hubs if that,ll help peregrines :)

RADBMX.CO.UK  |  Technical & Reference Section  |  Tech and Restoration  |  14mm axles machined down to fit 10mm dropouts
 

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