Details
Classic Rear Wheel, normal/slow #2.
Swenor wheels are comprised of special rubber, aluminum hubs, sealed bearings, axles, spacers, nuts, and bolts.
The hardness of rubber depends on the speed of wheel that you choose. The harder the rubber, the faster the wheel.
Rollerski wheels have built in resistance to simulate the speed of skiing on snow. The wheels come in several different speeds. Most come in speeds #1-#3. #1 is fast, #2 is normal/slow, #3 is extra slow.
