55 R98x35 Heavy Duty are special cut tire inserts made of foam

Compatibility: Use only with the AXE R2 ESC

Machined aluminum collars provide precise ride-height adjustments with an integrated O-ring to keep them right where you set them

Will not split or crack from vibration or pressure

I had to modify the plane to accept the mounting lugs

Robart 4013860A10 - Hjul skala 10ekrar 6 st# begynderfly 55 R98x35 Heavy Duty are10 Spoke Aluminum Wheel with 6" Tire (each). Robart Tire has a tough outer skin, softer inner core and a low bounce design. Available in sizes from 4" to 6" and are available with a machined aluminum hub with No Spoke, 8 Spoke, 10 Spoke, Scale P 51 10 Spoke, 3, 4 & 5 Spoke Spitfire Hubs and P 38 6 Spoke Nose Hubs and all aluminum hubs have a replaceable bronze bearings for 1 4" Axles. Width: 1 13 16" Weight: 10. 3 oz.