• it’s a gunnar rock tour, kind of between gravel and mtb. the build notes specific room for ”an atb triple”, whatever that means…

    the a30, a for adventure, from wi is a combination of the mountain axle (for 73mm) and road arms.

  • mountain axle (for 73mm)

    That'll be your option then, or another crankset compatible with 73mm shells, nowt much designed for road or gravel where Q factor will be more of a consideration.

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