Tips:This model can be installed on the 24-inch 26-inch front shock absorber of our mountain bike, and the one with rear shock cannot be installed~! Customers who purchase separately must confirm whether it is suitable for their model, whether their car is large or small, and whether or not to add a U-shaped piece, thank you.
The big hole rack is installed on the rear axle of the car, and the small hole rack is installed on the reserved hole of the frame. If you are not sure whether you want a big hole or a small hole, please take a picture and send it to our customer service, take a high-definition picture of the rear axle, let us choose it for you, thank you
All racks for quick-release rear axles use small holes, but there must be holes for installation on the frame;
Attention; all the pros who buy the shelves; there are free extension rods and mounting screws U-shaped connecting pieces, please confirm that you want to buy large-hole small-hole shelves.