Titanium MTB bike frame with G510 BAFANG motor shell:
1-1/8" head tube, integrated head tube or tapered head tube all are ok;
G510 BAFANG motor shell, pinion gear bridge, or other types is ok
sliding dropouts, you also can choose other dropouts, such as thru through dropouts;
inner cable routing;
surface is anodized rainbow color, you has the other options, like black, golden, purple;
E-bike can be customzied according to your sizes. You are expected to offer us the motor type, specifications, and tire width, your standover, fork length, and other sizes, like head tube angle.