I don't think there is anything available. You might be able to get a tapered axle made at the right length with 19mm OD bits in the right place for the mid bearings but I imagine it'll be expensive. I've never seen one made before.
@snottyotter started
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I don't think there is anything available. You might be able to get a
tapered axle made at the right length with 19mm OD bits in the right place for the mid bearings but I imagine it'll be expensive. I've never seen one made before.