Originally Posted by
Leukybear
I guess Sugino either had rough unfinished pairs mixed up or had a shortage of rough unfinished "non - NJS pairs" for anodizing (considering colored parts are not NJS race legal) and borrowed from the other production line.
Originally Posted by
prooftheory
Black would be faster and give an unfair advantage.
Tradition. Women's Keirin actually gets away from this and HED 3's and the like are actually used officially.