This type of Lixa is called Electric Mountain Bikes Downhill,Which adopt Bafang Mid-Motor And Samsung Lithium Battery .The tire is 27.5*2.1'' Kenda Brand .The Electric Road Bike we supply 3 years warranty ,The Color is balck in stock ,Color Black stand for Handsome ,Mystery .Of course you also can customize it according to your own hobby . No matter the color or the configuration .Display is 5 riding assist modes,walk assist,1.9''LCD display ,Back light ,integrated button(i,+,- ) ,about the details ,you can check the E Bike photos and videos. Based on ergonomic optimization of the appearance of the frame size and geometric Angle, cycling posture naturally stretch, reduce the movement pressure. 3 layers of high temperature paint spraying, dynamic and texture are excellent.