The hidden bicycle tracker holder is ideal for cyclists who want to keep their tracking device concealed. Its sleek design blends seamlessly with your bike's frame, making it nearly invisible. This protective holder is easy to install and provides a secure fit, ensuring your tracker remains in place even during rough rides. Features - Color: Blue -Material:Plastic, aluminum alloy - Size: 15.00X7.50X7.50cm/5.89X2.95X2.95in(water bottle cage) - Size: 8.00X4.00X1.00cm/3.14X1.57X0.39in(protective case) -Discreet security: the holder is designed to be hidden, effectively preventing bicycle theft and ensuring the safety of your property - location tracking: with technology, you can track your bicycle's location in , aiding in the of a lost bikes -Multiple antitheft mechanisms: this holder includes various antitheft features such as antipry and locks, ensuring comprehensive protection for your bicycle -Suitable for various cycling conditions: ideal for both urban commuting and mountain biking, this antitheft equipment provides protection for your bicycle -Quick and easy setup: the antitheft equipment is easy to install with minimal steps and no need for extra tools, offering a effortless setup process Package list: 5 x protective case 5 bottles cage 10 x wrench 20 x screws