Color classification
Upgrade [dark gray width 29.53in] upgrade widened square tube, backrest four-gear adjustment
Exclusive model [dark gray width 26.77in] thickened bold square tube, backrest four-speed adjustment
Exclusive model [light gray width 26.77in] thickened bold square tube, backrest four-speed adjustment
Exclusive model [houndstooth width 26.77in] thickened bold square tube, backrest four-speed adjustment
Upgrade [light gray width 29.53in] upgrade widened square tube, backrest four-gear adjustment
Upgrade [houndstooth width 29.53in] upgrade widened square tube, backrest four-gear adjustment
Luxury [dark gray width 26.77in] widened extra-thick square tube, backrest four-gear adjustment + milk blanket
Luxury [light gray width 26.77in] widened extra-thick square tube, backrest four-gear adjustment + milk blanket
Luxury [houndstooth 26.77in wide] widened extra-thick square tube, backrest four-gear adjustment + milk blanket
Supreme Special [dark gray Width 29.53in] Special Width and Special Thickness Square Tube, Backrest Four-gear Adjustment + Milk Blanket
Supreme Special [light gray Width 29.53in] Special Width and Special Thickness Square Tube, Backrest Four-gear Adjustment + Milk Blanket
Extreme special [choundstooth width 29.53in] extra-wide extra-thick square tube, backrest four-gear adjustment + milk blanket