Color classification
[Comfortable Cashmere Seat + Thick Carbon Steel Frame] White, Black Legs
[Comfortable Cashmere Seat + Thick Carbon Steel Frame] Black, Black Legs
[Comfortable Cashmere Seat + Thick Carbon Steel Frame] White, White Legs
[Upgrade thickened PU Seat + Thick Carbon Steel Frame] White, Black Legs
[Upgrade thickened PU Seat + Bold Carbon Steel Frame] Black, Black Legs
[Upgrade thickened PU Seat + Thick Carbon Steel Frame] White, White Legs