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Jay T

Crank Arm Shortening?

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Does anyone know who or where this is kind of work could be done in the UK? Cheers! 

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@JoshLeech or @euanbeaden, both on Instagram/Facebook and great engineers.

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4 minutes ago, John Shrewsbury said:

@JoshLeech or @euanbeaden, both on Instagram/Facebook and great engineers.

Nice one mate! 

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Any engineering workshop should be able to do it, pillar drill, tap set (might not have both left and right thread?) and a grinder.

What cranks are you shortening? By how much? And why?

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That looks scary. Cranks usually have less material further up.

 

Edit: Plus, wouldn't it make them too short. 22mm is quite a difference.

Edited by Mikee

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What lengths are you trying to go to/from? Often cheaper and safer just to buy the part if it's an option, but if you're after something a bit special/one off then of course that's not always the case.

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I'd say this would very much depend on the crank you're trying to shorten. Could you pop some pictures up of the rear of the crank?

Can I also ask why you're trying to shorten them? For a youngster?

 

Edit - pretty much everything asked above :P

Edited by JoshLeech

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Have done exactly this before - works a treat.

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Sorry, didn’t intend to abandon the thread! Thanks for comments guys but I’ve got something sorted...  who knew?! 135mm and 150mm off the bloody shelf! 

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