Rubber Wheel For RC Airplane Helicopter And DIY Robot Tires wheel

Description:
Item Name: rubber wheel
Diameter:26mm,31mm,38mm,44mm,50mm,55mm,63.5mm,70mm
Material: EVA + rubber,rubber, wear resistance, light weight, high quality.

Specifications:
1.0 "--  diameter: 26.0 MM,  thick 8.1 MM,  inner hole: 2.4 MM, weighs about 1.0 grams
1.25" --diameter: 31.75 MM, thick 9 MM ,   inner hole: 2.1 MM, weighs about 2.0 grams
1.50" --diameter: 38.10 MM, thick 13 MM , inner hole: 2.5 MM, weighs about 3.0 grams
1.75" --diameter: 44.45 MM, thick 15.7 MM,inner hole: 2.5 MM, weighs about 4.0 grams
2.0" --  diameter: 50.80 MM, thick 17.7 MM,inner hole: 2.6 MM, weighs about 5.0 grams
2.25- -55 mm in diameter
2.5" --  diameter: 63.5 MM,  thick 23.3 MM, inner hole: 3.3 MM, weighs about 7.0 grams
2.75" --diameter: 70.0 MM , thick 27.0 MM, inner hole: 3.8 MM, weighs about 14 grams

Package Included:
1 x rubber wheel