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Altis
Sigma MX
★★★★★
4.8/5
MX Track
Free US shipping — specialist freight courier
1-year US manufacturer warranty
30-day returns on unused bikes
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Color: Black
Key Specs
Peak Power
22.5 kW
Battery
98V / 35Ah
Wheels
19" front / 16" rear (MX spec)
Top Speed
70+ mph
Range
~50 miles
Weight
~185 lbs
| Peak Power | 22.5 kW |
| Battery | 98V / 35Ah |
| Wheels | 19" front / 16" rear (MX spec) |
| Top Speed | 70+ mph |
| Range | ~50 miles |
| Weight | ~185 lbs |
| Road Legal | No |
| Warranty | 1 Year |
Specifications based on manufacturer data. Subject to change. Prices may vary due to import tariff conditions.
The Altis Sigma MX is the motocross-optimized variant — MX-spec 19/16 wheel sizing for proper MX track performance with the same 98V, 30 HP platform.
Fast US Shipping
Ships to the contiguous US. Dispatched within 2–4 business days; delivered in 5–8 business days. Tracking link sent by email.
30-Day Returns
Unused bikes can be returned within 30 days. See our Returns Policy for full details.
Warranty
Manufacturer warranty as listed in specifications. VoltTrack provides US-based warranty support.
What's different between Sigma and Sigma MX?
The MX uses 19/16 MX wheel sizing vs the Sigma's 19/19 setup.
Is it competitive on MX tracks?
Multiple dealers report the Sigma MX holds its own against much more expensive electric MX bikes.