The effective rim diameters (ERD) of the 3ZERO MOTO wheels are outlined below.
For the 27.5 3ZERO MOTO
581mm including required spoke washers
579mm without spoke washers
For the 29 3ZERO MOTO
619mm including required spoke washers
617mm without spoke washers
When making spoke length calculations, we recommend rounding up any fractions of a millimeter to the next highest millimeter to ensure that the base of the spoke nipple is properly supported by the spoke.