Washed it. Put a couple of bits of protection film on the cranks where my shoe was rubbing it...
Lengthened the chain id cut too short, now running two quick links.... Shimano 12 speed has a unique way of setting chain length id failed to follow... oops.
Found a spare sram b screw that’s a bit longer than the shimano one - needed to get b screw adjustment right. Have given these photos to the orange rep to see if Orange have come across this issue with the hanger when using 12 speed Shimano - the flat on the hanger needs to be back a bit....
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