electric / default rider 183 cm
CAKE Osa+ vs Zero Motorcycles X ergonomics
CAKE Osa+ and Zero Motorcycles X 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
CAKE Osa+
All contacts reached
Zero Motorcycles X
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 CAKE Osa+ lists a 795 mm seat; the Zero Motorcycles X lists 794 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 | CAKE Osa+ | Zero Motorcycles X |
|---|---|---|
| Seat height | 795 mm | 794 mm |
| Wheelbase | 1,340 mm | 1,410 mm |
| Wet weight | 98 kg | 84 kg |
| Displacement | - | - |
Posture metrics
Knee angle
- CAKE Osa+
- Sport (57.8 deg)
- Zero Motorcycles X
- Sport (58.0 deg)
Hip angle
- CAKE Osa+
- Neutral (96.5 deg)
- Zero Motorcycles X
- Neutral (94.8 deg)
Elbow angle
- CAKE Osa+
- Relaxed (143.3 deg)
- Zero Motorcycles X
- Relaxed (143.3 deg)
Torso lean
- CAKE Osa+
- Neutral (10.4 deg)
- Zero Motorcycles X
- Neutral (11.5 deg)