ITEM NAME:Mountain Bike Rear V-Brake Disc Bracket Old Bicycle X8J3 Mountain Bike Rear V-Brake Disc Bracket Old Bicycle X8J3 Mountain bike racks Bicycle racks specification: Material: Iron Colour: Black Size: about 40 × 38cm (length × width ) Mounting Type: Frame Mount, Shaft Mount Load weight: can take people, design bearing weight 60 kg description: Height adjustable V brake bicycle rear frame Easy to install and remove tools Spring design for easy carrying of luggage Parts suitable for V brake and disc brake bicycles how to install: If there is a hole in the seat, it can be installed directly. If there is no hole, it can be fixed on the seat quick release. (not included) Special reminder: The shelves are divided into large and small holes. The big holes are mounted on the hub. The holes are mounted on the frame. , Pro! Be sure to distinguish when you shoot! Without screws and U-shaped pieces note: There are two types of items: small and large To choose the right model, you need to check if your bike is suitable for installation Detail images will show how you distinguish them As can be seen in the picture, the hole type is suitable for bicycles that have mounting holes in the frame, while the large hole type is suitable for bicycles that do not have mounting holes. Packaging includes 1 x bicycle rear frame Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.