E-flite 5 x 2.75 Electric Propeller: UMX Beast, Sbach 342, UMX Timber

1″ Rubber Mini Lite Model Airplane Tires … 1″ (25mm) outside diameter black solid foam rubber tires mounted on lightweight nylon hubs (approximately 1/2″ diameter). Hub comes with a small hole that can be easily drilled out for a larger axle. Each wheel weighs less than 1 gram.