Aero Classic Inner Tube 6.00x6 Aero Classic **Butyl Easy ​/​ Convenience Valve TR-87 70 degree TU 600-6 Ac TR-87 70 Degree Butyl- Makes filling the tube much easier, easier access to the fill port, especially with aircraft with wheel pants Tested to MIL-I-5014F Valve: TR-87 70D Angle Degree: 70