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A comment on Smart METL airless metal bike tires use a “shape memory alloy” for deformation.

Re:Smart METL airless metal bike tires use a “shape memory a... by Cthulhu_ on Thursday March 18, 2021 @09:17AM (#26502333)
These look like they'd be full of sand and rocks rattling around really fast.
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Re:Smart METL airless metal bike tires use a “shape memory a... by senectus1 on Thursday March 18, 2021 @09:20AM (#26502357)
not only that but ruin your rims when you hit a kerb or something.

Also I'd be really concerned about how much grip it'd retain on a sandy concrete corner..

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Re:Smart METL airless metal bike tires use a “shape memory a... by meepmorp on Thursday March 18, 2021 @10:39AM (#26503174)
The article specifically mentions that the exterior will be wrapped in some rubbery material, with the very silly name polyurethanium.
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