Cupping (another tire question)

alloffroad

New Member
So my last k270 cupped really bad on a trip across the island last summer but I thought it was due to the low pressure I was running and the extra hot day. I bought another k270 for the front late last summer and am noticing the tire is starting to cup or scallop again. What causes this? Is it tire pressure, balancing issue or just the tire being cheap?
Also who gets their 50/50 tires balanced and where?
Thanks and I ride a klr if that matters.
 
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