1. Material: PV polycarbonate 2. Dimensions: Mountain bike model: 7.5 x 8 cm, road bike model 4 x 4 cm 3. Weight: 89 grams for mountain bikes, 17 grams for road bikes 4. Using high-strength PC plastic, rigid and tough, beautiful, safe, free to use your creativity, fancy parking anytime, anywhere 5. The package contains: parking buckle, expansion screw, screw
