_x005F_x005F_x005F_x000D__x005F_x005F_x005F_x000D_Are you looking for a professional, yet affordable bike heightening device? Are you in search of a sturdy, trustworthy tool that can do multiple jobs at once? If yes, look no further Our professional bike heightening device must meet you needsIt is one of the best choices for you_x005F_x005F_x005F_x000D__x005F_x005F_x005F_x000D_Features_x005F_x005F_x005F_x000D__x005F_x005F_x005F_x000D_- Color: Black_x005F_x005F_x005F_x000D_- Size: 13 x 35 x 35 cm_x005F_x005F_x005F_x000D_- Material: Aluminum alloy_x005F_x005F_x005F_x000D_- The material of the product is finished by the aluminum alloy turning process, which makes it have better strength_x005F_x005F_x005F_x000D_- Sturdy, corrosion-resistant, rust-free, high toughness, no deformation_x005F_x005F_x005F_x000D_- The height of the extender can be adjusted by adjusting the number and type of spacers, reducing the pressure of waist effectively, biking more relaxedTake the discomfort away from your upper back, neck and wrist_x005F_x005F_x005F_x000D_- More resistant to corrosion, not easy to loose, and safer to use_x005F_x005F_x005F_x000D_- Light weight, adjustable height, ultra high strength, easy to install_x005F_x005F_x005F_x000D__x005F_x005F_x005F_x000D_