The flat tire for the wheelchair. The Marathon Plus is the absolute reference for puncture-proof pneumatic tyres for wheelchairs. The SmartGuard protection belt is made of recycled natural rubber. The "anti-aging" sidewall can withstand the typical overloads caused by insufficient air pressure for much longer.
Without manufacturer's recommendation
Tyre size (diameter x width): 22x1,00 Tyre Size ETRTO (Width x Diameter): 25-489