LXI i/O 6061 alloy comfort frame with semi-integrated battery downtube. Easy rolling 27.5" tires, hydraulic disc brakes, a suspension seat post and an adjustable angle stem team up with a powerful 36V 350W rear hub pedal/throttle-assist power-plant. The system utilizes Samsung battery technology with 5 levels of assist and delivers an estimated 30+ miles of range depending on mode. Full recharge time is just 4 hours.