Altis Sigma vs Surron Ultra Bee: Key Specs Comparison for RidersUpdated a month ago

For those considering an off-road electric bike, the Altis Sigma and Surron Ultra Bee are two popular options with similar prices and performance. Here’s a breakdown of their key specifications to help riders decide which one suits their needs.

Seat Height

• Altis Sigma: 33 inches (840 mm) – same as the E Ride Pro SS.

• Surron Ultra Bee: 35.8 inches (909 mm).

Note: Riders who are around 6’1” may be on tiptoes when seated on the Surron Ultra Bee.

Average Range

• Altis Sigma: 40–50 miles (realistic range considering typical riding conditions).

• Surron Ultra Bee: Claimed 87 miles, though real-world range may be closer to 40–50 miles.

Suspension / Shocks

• Altis Sigma:

  • Same shocks as the Talaria MX5.

  • Adjustable off-road air-spring suspension.

  • Front travel: 200 mm; Rear travel: 85 mm (with linkage).

• Surron Ultra Bee:

  • KKE rear shock absorber with liquid oil damping.

  • Front travel: 210 mm.

Ground Clearance

• Altis Sigma: 300 mm

• Surron Ultra Bee: 318 mm

Both bikes offer impressive off-road capabilities, but differences in seat height, suspension, and ground clearance may influence which is more comfortable or suitable for certain riders.