annyxu Posted July 24, 2021 Share Posted July 24, 2021 I see BONOSS wheel spacers have many new features, such as knurling, disassembly grooves, active cooling grooves. Is there any quality difference between H&R wheel spacers and BONOSS forged active cooling wheel spacers? Quote Link to comment Share on other sites More sharing options...
Jay762 Posted July 28, 2021 Share Posted July 28, 2021 both TUV approved, both high quality AL so not much difference there. WRT the cooling ducts, may work but I wonder how often you would need to be stripped and cleaned to remove the brake dust clogging up the grooves? Quote Link to comment Share on other sites More sharing options...
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