three-wheeler / default rider 183 cm
Adiva AD3 400 vs Can-Am Spyder RT-S ergonomics
Adiva AD3 400 and Can-Am Spyder RT-S have modeled posture scores within three points for the 183 cm default rider. Treat this as a planning estimate; posture preference, data confidence, and a real test sit still matter.
Modeled fit comparison
Adiva AD3 400
All contacts reached
Can-Am Spyder RT-S
All contacts reached
The modeled scores are within three points, so the result does not distinguish a higher-scoring bike. Treat the result as a planning estimate and compare each bike's geometry confidence before a real test sit.
Rider fit: reaching the ground
The Adiva AD3 400 lists a 770 mm seat; the Can-Am Spyder RT-S lists 772 mm, within a few millimetres of each other. Seat height is only a first-pass ground-reach input. It does not establish safety or actual foot contact. Seat width, suspension sag, boots, mobility, load, and individual proportions can materially change the result.
Geometry snapshot
| Spec | Adiva AD3 400 | Can-Am Spyder RT-S |
|---|---|---|
| Seat height | 770 mm | 772 mm |
| Wheelbase | 1,560 mm | 1,714 mm |
| Wet weight | - | - |
| Displacement | 399 cc | 1,330 cc |
Posture metrics
Knee angle
- Adiva AD3 400
- Sport (58.3 deg)
- Can-Am Spyder RT-S
- Sport (58.7 deg)
Hip angle
- Adiva AD3 400
- Neutral (91.5 deg)
- Can-Am Spyder RT-S
- Neutral (88.3 deg)
Elbow angle
- Adiva AD3 400
- Relaxed (143.3 deg)
- Can-Am Spyder RT-S
- Relaxed (143.3 deg)
Torso lean
- Adiva AD3 400
- Neutral (13.7 deg)
- Can-Am Spyder RT-S
- Neutral (15.9 deg)