Wheelchair front casters and rear wheels

We are now develop a new model of wheelchair casters wheels. See below picture, 8 inch wheelchair front casters wheels and 10 inch wheelchair rear wheels.

Wheel center with strong reinforce rib and made from good quality PP, And we adopt high quality polyurethane,that ensure entire wheel durable and can rotation at low noise.
Front wheel size : Ø200mm x 38mm wide, Rear wheel’s size :Ø254mm x 38mm wide.
Color option: Full black or black hub with Grey Tyre. Front wheelchair wheels fork can match M12x25 or M12 x 55 threaded stem. And current fork material is PA6,it can replace by aluminum fork as client needed.