U3 with Y-front is a variant of U3 with the same frame width, but a narrower front, which gathers the users feet in a fixed foot brace. It also has the same design as the U3 with high maneuverability and accessories for extra comfort and safety.
| The following specifications may only comply to some variants. |
| Balance point adjustable |
| Back rest angle adjustable |
| Push handles |
| Intended for fastening in a car |
| User weight, max: | 100 - 150 | kg |
| Seat height, min: | 37.5 - 43 | cm |
| Seat height, max: | 47 - 54.5 | cm |
| Back rest height, min: | 20 | cm |
| Back rest height, max: | 45 | cm |
| Total width: | 54 - 71 | cm |
| Total length: | 76.5 - 84 | cm |
| Weight: | 4.5 - 5.4 | kg |
| Seat width: | 33 - 50 | cm |
| Seat depth: | 35 - 40 | cm |
