Designed for those who want the ultimate smooth ride these Ultra Light Aluminum Wheels feature an attractive aluminum hub and highly resilient soft but solid urethane tire that will never go flat and help to minimize energy loss and absorb vibration To improve pivot ability the contact surface is spherical and features an arched tread design This WIDE model allows the wheels to maintain higher flotation by better distributing downward pressure which helps keep the user from sinking into carpet soft ground New Solutions offers the largest wheelchairscooter parts The focus has always been on quality cost and trying to do what is right All the products are tested before they are introduced Understanding the challenges involved and coming with quality innovative products and parts has been the main focus of the company and has grown to be the leading Brand for Wheelchair parts Specifications. Size 6 x 15. Dimensions 6 H x 6 W x 15 D. Weight 2 lbs