cruiser / default rider 183 cm
Honda CB900C Custom vs Royal Enfield Classic 650 ergonomics
Honda CB900C Custom and Royal Enfield Classic 650 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
Honda CB900C Custom
All contacts reached
Royal Enfield Classic 650
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 Honda CB900C Custom lists a 780 mm seat; the Royal Enfield Classic 650 lists 800 mm — a 20 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 Honda CB900C Custom 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 | Honda CB900C Custom | Royal Enfield Classic 650 |
|---|---|---|
| Seat height | 780 mm | 800 mm |
| Wheelbase | 1,580 mm | 1,475 mm |
| Wet weight | 276 kg | 243 kg |
| Displacement | 902 cc | 648 cc |
Posture metrics
Knee angle
- Honda CB900C Custom
- Open (114.5 deg)
- Royal Enfield Classic 650
- Open (106.4 deg)
Hip angle
- Honda CB900C Custom
- Sport (79.0 deg)
- Royal Enfield Classic 650
- Sport (78.3 deg)
Elbow angle
- Honda CB900C Custom
- Relaxed (143.3 deg)
- Royal Enfield Classic 650
- Relaxed (143.3 deg)
Torso lean
- Honda CB900C Custom
- Neutral (9.1 deg)
- Royal Enfield Classic 650
- Neutral (7.5 deg)