✅【BRUSILESS MOTOR 】Built in brushless high-quality motor,40° motor climbing capability The motor's maximum torque is an astounding 160 N·m. ✅【48V 17.5AH REMOVABLE BATTERY 】Shengmilo S600 combines the new battery technology with high-performance battery cells, this battery efficiently improves the range, stability, and safety of Shengmilo bikes.