Questions tagged [aluminum]

Questions related to bicycle frames made from aluminum alloy.

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Why have my crank arms started corroding?

I have a set of Rotor 3D cranks and I've just noticed that the non-drive-side crank arm is corroding at the end and around the pedal bore, beneath the surface finish. The drive-side arm is fine. I ...
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Mavic Cosmic SLS - carbon separation

Some aero’ wheels are an aluminium rim with a carbon fibre shroud. On a Mavic Cosmic SLS rear wheel, I’ve found that the carbon fibre shroud is separating from the aluminium rim. Just visible in the ...