Rambo Bikes ROO30Bk Rooster 3.0 Matte Black 750W Rambo Hub Motor Motor Up To 30Mph Speed The Rooster 3.0 continues To Impress With Its Sleek And Ergonomic Step-Thru Frame Matched With The 750W Whisper Quiet Hub Motor. The Rooster 3.0 Will Come Fully Equipped With Everything Needed To Hit The Road, Right Out Of The Box. Unlike Other bikes using The Hub motors, We Spend Countless hours Designing The Controller To Outperform The others By leaps And Bounds. This Bike Is Built To Perform Like a Rambo. Color: Matte Black Battery Size: 48V/15Ah