Product Description:1. The mountain bike rack can be extended back/forward according to your needs Aluminum structure fixed on the bike seatpost2. The bicycle cargo rack is suitable for the frame without the rack rose hole and the disc brake. The style is novel, practical, and convenient,3. Simple hexagon socket head bolt fixing design of bicycle rack, the maximum bearing weight is 10kg, the style is novel, practical and convenientNote:Due to differences in lighting and screen settings, the color of the product may be slightly different from the picture.Due to different manual measurements, please allow slight size differences.Specification:Colour: BlackMaterial: aluminum alloySize: about 34 x 12*9CM/13.6*4.8*3.6inWeight: about 557gApplicable tube model: about 27.2/10.88in or 28.6CM/11.44inPacking List:1x Bicycle Rear Rack