Full hidden Disc UDH Gravel Frame        

Frame:GR201 (142*12mm)
Fork:FX201  (100*12mm )
Size ：49/52/54/56/58cm
BB:  T47 (85.5mm)

Integrated Handlebar:Stem 70/80/90/100/110/120mm;

handlebar 430/450/470/490mmcm inner cable
Headset:1-1/2" to 1-1/2"  

Max Tire:  700X50C 

Drop out：UDH dropout

The picture is GR201 size 54, 

YCT63120+YS728+ gradient color + half matte half glossy，

For your reference