electric / default rider 183 cm
Alta Motors Redshift EXR vs Alta Motors Redshift SM ergonomics
Alta Motors Redshift EXR and Alta Motors Redshift SM 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
Alta Motors Redshift EXR
All contacts reached
Alta Motors Redshift SM
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 Alta Motors Redshift EXR lists a 927 mm seat; the Alta Motors Redshift SM lists 902 mm — a 25 mm difference. 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.
On seat height alone, the Alta Motors Redshift SM has the easier modeled ground reach. Load your measurements into the simulator to compare the model, then verify both motorcycles in person.
Geometry snapshot
| Spec | Alta Motors Redshift EXR | Alta Motors Redshift SM |
|---|---|---|
| Seat height | 927 mm | 902 mm |
| Wheelbase | 1,492 mm | 1,438 mm |
| Wet weight | 124 kg | 128 kg |
| Displacement | - | - |
Posture metrics
Knee angle
- Alta Motors Redshift EXR
- Sport (58.2 deg)
- Alta Motors Redshift SM
- Sport (58.0 deg)
Hip angle
- Alta Motors Redshift EXR
- Neutral (93.0 deg)
- Alta Motors Redshift SM
- Neutral (94.3 deg)
Elbow angle
- Alta Motors Redshift EXR
- Relaxed (143.3 deg)
- Alta Motors Redshift SM
- Relaxed (143.3 deg)
Torso lean
- Alta Motors Redshift EXR
- Neutral (12.7 deg)
- Alta Motors Redshift SM
- Neutral (11.9 deg)