What happens if you take the chain off, then unbolt the rear mech and shift it up and down when it's free of any restriction?
Did you order the 14t/14t kogel pulleys?
Which variant did you order? I notice there's a drop down menu to choose a sram or shimano version.
@Dammit started
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What happens if you take the chain off, then unbolt the rear mech and shift it up and down when it's free of any restriction?