BikeMaster Tire Tubes Get the right fit for your tires with BikeMaster tire tubes. They offer seamless butyl rubber construction fitted with heavy-duty valves. A flat can ruin any day at the track, on the trails, or on the road. Choose quality, performance, and value-priced tire tubes from Bike Master. SIZE: 2.25/2.50-10 PART# BKM374602 The use of the tire and other vehicle data and information accessible through this webpage is limited to persons located in the United States of America and Canada. ALTHOUGH THE DATA IS BELIEVED TO BE ACCURATE, NO WARRANTY OR GUARANTEE IS MADE REGARDING THE QUALITY OR ACCURACY OF THE DATA. All data should be verified by a tire professional, the vehicle placard (typically located on an inside door panel or on frame), and/or the vehicle owners manual.