Heavy-Duty 5-Speed DrivetrainTransform your e bike with the Heavy Duty Drivetrain, engineered for exceptional performance and durability. Featuring a robust 5 speed cassette made from high quality Chromoly steel and Aluminium 7075, it ensures smooth gear transitions and optimal efficiency. Coupled with the reliable AlexRims hub and Microshift components, this drivetrain is built to handle any terrain. It's all for the torque! System Compatibility Nireeka Spectrx Inclusions Heavy