REMOVABLE 10 AH BATTERY: At the heart of the ebike is our large capacity 10 AH lithium-ion battery. Plenty for a day's adventure or most trips to work and back. You can charge on/off the ebike by your convenience. 350W Powerful Motor: With speeds up to 18.5 mph and equipped with 350W high speed brushless motor, increases stronger hill-climbing power, provids more than enough to power your daily commute, a cruise on the mountain, or a meander along your favorite trail. DUAL DISC BRAKES & SHIFTER : Shimano 6 speed shifter and derailleurs provide accurate and smooth shifting ensure that your drivetrain is responsive for a long time while. Shorter braking distance and your driving safety are ensured, as both the front & rear mechanical Disc brakes are well equipped on our electric bicycles. It makes stopping smooth, safe and so easy to maintain. STRONG ALUMINUM FRAME : With ultra-lightweight yet strong aluminum. 20 inch alloy wheels with anti-slip resistant thick tire-- suit for trails, gravel, city streets, back roads, increases hill-climbing power, further range variation, and greater terrain adaptability. 3 RIDING MODELS : electric mode, PAS mode, and fitness mode , you can choose the E-bike to enjoy a long time travel, and the fitness bike mode is easy to exercise. Combining three modes would be a better choice.