Riding Guide · 2026-05-20
How to Choose E-Bike Motor Power: Torque, Terrain & Range Guide
Quick answer: For steep trails choose 80Nm+ mid-drive torque (e.g. SD-XR 900). For mixed commuting, 60–80Nm. Flat routes prioritize range and lighter motors.
1. Torque beats headline wattage
Climbing feel depends on peak torque. SD-XR 900 offers ~92Nm for loaded climbs; SD-Trail 700 targets lighter trail riding.
2. Match terrain to model
- Gravel / dirt / steep: SD-XR 900, SD-Enduro 850
- Urban + light trail: SD-Urban X
- Long tours: SD-Adventure (165km range)