Custom oversized high-tensile steel Low-Step frameSingle-speed drivetrainAlloy crankset with sealed cartridge bottom bracketAlloy linear-pull front brake with parking lockAlloy mechanical rear disc brake with parking lockAlloy rims with 12/13g stainless steel spokes24` x 1.75` Multi-condition tires9` High-rise steel handlebar and stem, foam gripsSun Tractor saddle with heavy duty steel baseSteel chain guard and nickel plated front fenderVinyl coated steel wire basket-----------------------------------------------------------------------350 watt / 36 volt front hub motor36V / 10.4Ah lithium-ion rack-mount batteryUnisex17.5`Blue Metallic24`Silver15.5`27`73` L x 30.25` W14.5`14.5`