Weight: 5.9 kg , Width: 12cm , Material: High strength steel. 135 mm Dropout, 68mm Bottom Bracket. Battery-size max dimensions: 445 x 115 x 90 mm. Bike seat, standard 31,6 mm seatpost. Gears: freewheel or gear cassette (adjustable). Swing arm has IS brake mount point. Adjustable rear shock mounts between 190-240mm. Wheels: max26”, up to 35cm radius. Designed for 1 ⅛” headset (or 1,5” adjustable) and for cone shaped forks. 50cm frame size comfortable for riders between 170-195cm, max rider load 120kg. Frame comes with headset, bottom bracket and seatpost clamp.