Features: This bike front Carriers adapter block seamlessly connect to your bicycles frame, ensuring a perfectly fit and stable handling for your ride. Make from Plastic materials, wear-resistant and Enduring, suitable for daily use. Easy installation: attach the adapter quickly with screws without the need for additional tool. Easily attach bags or luggage to the front of your luggage to make travel easily. Expand the storage option of your folding bike with this secure front Carriers block, a must for cyclists. Specifications: Materials: Plastic Color: Black/Rose Redness/Green/Blue/Yellow/1 Size: about 65x85mm/2.56x3.35inch Package Includes: 1Pc Bike Front Carriers Adapter Block note: Please allow 1-2cm errors due to manual measurement, make surely that you not mind before order. Due to difference between different monitors, the picture may not reflect the actual color.