I don't think they're what you're looking for but for completeness sks Al 56mm would do it
I am using 60mm x 26" SKS Bluemels on 2.0" x 27.5" wheels on my cargo bike
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Also so much envy for all those timber shelves, so nice :)
@Hulsroy started
London Fixed Gear and Single-Speed is a community of fixed gear and single-speed cyclists.
I don't think they're what you're looking for but for completeness sks Al 56mm would do it