Author: Brian Ma (color01) These are great kingpins, very smooth and the coating withstands a lot of racing before wearing thin. The only issue regards fitment: they are slightly ovresized, so when used with stock MR015/02, or PN or 3racing plastic knuckles, the residual play is very minimal. But when used with tighter knuckles such as Atomic plastic knuckles or any alloy knuckles, the kingpins may bind and damage either the knuckle or the kingpin. Plastic knuckles can be reamed, but alloy ones not as easily.
That's the only complaint, otherwise this is a great product; and for half the price of others, you can bear to replace them when they finally show signs of wear.
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