The BIKEXTRAS Bicycle Bike Tire Tube is a high-quality, durable replacement part for your bike. This tube is designed for 27-inch wheels with a 1 1/4 inch diameter, featuring a Schrader valve for easy inflation. Made of black rubber, this tube is compatible with various bike models and offers a seamless fit to ensure a smooth ride. Perfect for cyclists looking for reliable bike accessories to keep them rolling smoothly on their rides. Shipping with tracking and insurance.