SoftWheel , In-wheel suspense system 

SoftWheel’s innovative in-wheel suspension technology can help reduce pain and
provide a more comfortable ride.

Size: 24” & 25”
Hub: AL 6061 T6; high precision CNC
Rim: AL 6061 T6
Bearing diameter: U.S. or
European standard
Load limit: 136 kg (300 lbs.)
Wheel weight: 1.8 kg (4 lbs.)
Drum Brake: Optional

If used with an E-bike the next stage up is recommended.