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Slightly Rounded Isis Crank..


Ryan.

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basically i've slightly rounded my drive side echo forged crank due to riding while it was loose without realising, is there a way to fix this or some sort of bodge to sort it?

ryan

Edited by Sheringham_trials
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Good luck at getting a coke can to bend effectively with an ISIS spline.......

I really didn't think this would happen with an isis crank because there are so many point's of interferance unlike square taper where there is only 4 corners.

anyway yeh if it is indeed an isis crank you have I doubt there is much you can do really.

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Haha, Wishful thinking with the coke can trick!

Basicaly, once an aluminium isis crank gets damaged slightly by not being mated to the steel bb axle corretcly, it can only get worse.

The same goes for putting old isis cranks on a new bottom bracket,,,,even if the the bolts were originaly done up correctly!

There is no bodge for this.

Unfortunately Isis is fine when it works but has major flaws in its design.

New crank arms time!

:(

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If you try wrapping the coke can round the axle it is impossible to get the cranks on, much easier to do it this way. stopped mine wobbling

post-683-1173725416_thumb.jpg

and the importance of explaining what you mean when advising bodges becomes apparent?

'coke can trick. take a piece of coke can and force it inbetween the bb and crank'

hardly suggest's taking it apart and carefully cutting strips small enough to fit in the splines......

Thanks for explaining to me anyway....

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