Altis Powersports
Altis Sigma 2025
Award-Winning 97V Mid-Drive — The Sigma That Started It
$5,299
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Full Specifications
Peak Power
23,000W
Motor Type
mid-drive
Top Speed
70 mph
Battery
3,402 Wh · 97.2V · 35Ah
Range (claimed)
70 mi
Bike Weight
185 lbs
Load Capacity
300 lbs
Wheels
19" / 19"
Regen Braking
Yes
Tunable Controller
Open / FarDriver
Frame
Aluminum
Warranty
1 year
US Dealers
Yes
Pros & Cons
✓ Pros
- 23kW peak — excellent power for the price point
- 97.2V Samsung 50S battery — premium chemistry
- 5-level regen braking
- Significant Load Capacity — 300 lb limit provides lbs headroom at lbs
- Full-size 19" wheels
- Strong dealer network
✗ Cons
- Superseded by 2026 model (25kW) — buy on clearance or check availability
- 300 lb limit, lbs headroom — borderline at lbs
- Battery not removable
- 185 lb bike weight
- 1-year warranty
Recommended Modifications
Sprocket swaps, Bluetooth power map tuning.