Features:
1) Riding Style: Hardtail Trail/Am E-Bike Frame,Slope Headtube Angle 67 degree with Fork Appicable: 120-160mm Applicable.
2) Motor Applicable: Bafang M620/G510 Mid-Drive Motor. 
3) Integrated Downtube for hiden Battery pack 70 cells .
4) 27.5 Boost Wheel Size Max. tire 27.5x2.80 or 29x2.35 intensified with Forced Yoke. 
    Wide Tire increases the riding stablitity.
5) Bafang Motor and Battery Pack or Box can be supplied with the frame for easy assembly.