DescriptionAre you looking for a professional, yet affordable water bottle cage base? Are you in search of a sturdy, trustworthy tool that can do multiple jobs at once? If yes, look no further! Our professional water bottle cage base must meet you needs. It is one of the best choices for you.Features- Color: Black and silver. - Size: 6 x 5 x 2 cm. - Material: Aluminum alloy & plastic. - Made of metal and plastic, durable and sturdy. - Easy to install. - Designed for most road bikes and mountain bikes without the water bottle brace-on. - Can be caught in the stem, frame tubes, absorbers, seat and other positions. - Dear buyer, due to lighting effect, monitor's brightness, manual measurement, etc., there could be some slight differences in the color and size between the photo and the actual item. Sincerely hope that you can understand! Thank you!