YunSCM 2pcs 45/57-507 24 inch Heavy Duty Inner Tubes 24x1.75-2.25 TR4A-40L

Compatible Size: 24x1.75/2.25 inch (45/57-507) TR4A-40L bicycle heavy duty inner tube, enhanced the ductility of the heavy load tyre, so that these inner tubes are ideal for a wide range of applications, compatible with 24x1.75 24x1.90 24x1.95 24x2.0 24x2.10 24x2.125 24x2.15 24x2.20 24x2.25 mountain bikes, road bikes, Cruiser bikes, and e-bikes; and the increased thickness meets the demand for longer mileage and heavier loads of today's popular e-bikes
High Quality & Durable Tube: The bike tyre tube made of high quality butyl rubber composite material, high performance hose has higher puncture resistance than traditional hoses. The thicker tyre body can withstand more friction and abrasion, which extends the life of the hose and reduces replacement frequency and maintenance costs. And it can be used for a long time
More Air Tightness: Adopting high elasticity and high quality butyl rubber and EPDM rubber, the thickness is increased by 40%, the air tightness of the inner tube is