... bicyclemountain Aluminum electric bike,mountain electric bicycle,Mountain bicycle,mountain e-bike,ELECTRIC BIKE,electric bicycle: CS-38-901C tyre size: ... 26'' x 1.75'' city stylemotor: 250W High speed ... times:>=500 Charging period:4-8Hframe: 6061 aluminum alloywheels: alloy rims and alloy hubsDerailleur: SHIMANO, 6-speed fork: TOP GUN ...