English: A bicycle disc brake rotor that got hot, leaving the inside edge yellow to blue, through heat tinting. The rotor is pure stainless steel, with no tints or such. This is an Avid Roundagon brake rotor.
{{Information |Description={{en|1=A bicycle disc brake rotor that got hot, leaving the inside edge yellow to blue, through heat tinting. The rotor is pure stainless steel, with no tints or such. This is an Avid Roundagon brake rotor.}} |Source=Own work by