The Nishiki(R) Schrader Valve 24" 2.125-2.4 Bike Tube allows you to replace your flat or worn out bike tube fast and easily. This bike tube is designed to fit 24" tires with a width range of 2.125-2.4 and features a Schrader valve that is 35mm in length. Ride confidently on the roads with the Nishiki(R) Schrader Valve 24" 2.125-2.4 Bike Tube. Features: Replacement bike tube Ideal for youth bikes Fits 24" tires with a width range of 2.125-2.4 Valve type: Schrader Valve length: 35mm