44mm (1.73") x 17.5mm Super Lite Treaded EVA Wheels for 3mm Axle (2 Pack) from Du-Bro - 175SL
These are far and away the lightest wheels Du-Bro has ever produced!  These Super Lite wheel series have a closed cell treaded foam wheel with nylon hub.  Perfect for electric park flyers or lightweight gas model aircraft.
Features:

Black impact absorbing foam construction pre-mounted
Gray plastic eight spoke rims
Seven rib tread design

Includes:

Two Wheels