Technical & Reference Section > Tech and Restoration

Profile crank axles

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Bigfrawg:
Silly question but why so long ?

fugazi:
19mm 48 spline axles are widely available in 145mm & you'd think they would be the same but I tried it with a non Profile axle & the arms were a little loose on the axle. I have no idea why & maybe you'll have more luck  :LolLolLolLol:

VOIVOD:

--- Quote from: Bigfrawg on May 17, 2017, 07:06 PM ---Silly question but why so long ?

--- End quote ---

 Not so silly at all:) A lot of modern street/park frames have wider stays to accomodate the tractor sized tyres.Standard length axles don`t always allow the arms to be spaced widely enough apart without having just a couple of mm inside the crank arm.

SH101:
Exactly that ! I`m just trying to get the crank arms to clear the stays .

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