1.Reinforced steel frame ,front bell (front horn for pedal model)

2.Tyre :front,20x2.125" rear 24x2.5", aluminum rims

3.Brake systerm :front: hydraulic disc brake, rear: Twin hydraulic disc brake

4.Power:500w brushless front Wheel Motor or the rear motor with differential

5.Battery : 4pcs 48V/20Ah

6.Board: aluminum  126X94CM

7.Transmission: chain ,KMC Brand,Derailleur(shimano Brand)

8.Speed: 7 or 21 speed (Shimano Brand),speed meter,speed shift(sunrise brand)

9.Weight: Pedal: 67 KGS, Electric: 93 KGS