Front and Rear Suspension, cool design for Climbing Mountain! Very strong steel frame: t=2 mm Double weld seams High quality painting Very easy install Package Include 1. FC-1 Stealth Bomber Ebike Frame with Bearing Headest and Washers,1set 2. DNM BURNER-RCP3 240mm Adjustable Air Suspension Bicycle Shocks,1set 3. Battery Compartment Covers(left and right),2pcs 4. "Risun" logo stickers(left and right),2pcs (if you need DIY stickers,please contact us,it cost 25 usd/set) Features of the Product RisunMotor FC-1 Stealth Bomber Electr Frame color: Black or White Frame width : 75 mm Weight : 7.9 kg Max capacity battery pack (lithium battery): 48V 37.5Ah (HalloBattery HB18650P cell 2500mAh), 48V 43.5Ah (Japan PANA. NCR18650PF cell 2900mAh) Size of this battery pack : 280 x 75 x 150 mm Battery and motor are not include in this package.