I was going by this, which (confusingly) refers to it as "531 SL Speedstream". But the decal doesn't state "SL", so I wonder if the description was copied incorrectly?
I was going by this, which (confusingly) refers to it as "531 SL Speedstream".
But the decal doesn't state "SL", so I wonder if the description was copied incorrectly?
As you can read on the same page, 531 Professional was called 531 SL before.
@Dutch_Cheese started
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As you can read on the same page, 531 Professional was called 531 SL before.