Medium cage mech unfortunately. Apparently 36 is its max and for 40 or 42 you need the long cage
Or a Wolftooth RoadLink
Might be unable to take up the chainslack but yeah if the capacity is enough then that will give you an albeit bodged bigger max cog.
@chez_jay started
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Medium cage mech unfortunately. Apparently 36 is its max and for 40 or 42 you need the long cage