This bike bits brass presta valve adapter is a great way to convert your presta valve tubes to schrader valve tubes, which are more common on road bikes. The adapter is made of high-quality brass and is durable, making it a reliable choice for your bike. It is easy to use and fits securely onto your presta valve tubes, allowing you to easily inflate your tires. The adapter is also compatible with most schrader valve pumps, making it a convenient tool to have when you're on the go. Whether you're a casual rider or a serious cyclist, this bike bits brass presta valve adapter is a must-have accessory for your bike.