Ortem Butyl Tube 29 x 1.75~2.35c 48mm Schrader ValveFeatures Durable butyl rubber inner tube designed for reliable air retention and long service life. Compatible with 29 inch tires ranging from 1. 75 to 2. 35 width. 48 mm Schrader valve allows easy inflation with standard pumps. Flexible construction ensures quick installation and proper fit inside the tire. Resistant to everyday wear and suitable for regular riding conditions. Ideal for mountain bikes, hybrid bikes, and trekking bicycles.