Frame:14â??Aluminum alloy foldable frame Front fork: Straight leg front fork Battery:48V8AH lithium battery Motor:48V400W High speed brushless gear motor Derailleur:Single Speed Meterï¼?handle LCD meter+key Brake:mechanical disc brake Seat tube: Shock seat tube Tires: 14"*1.95" puncture-proof tyre Rim:Aluminum alloy conjoined rim Mudplate: full - pack Mudplate Option: USB 2.0 Mobile phone charging+Burglar Alarm