For dog-walking purposes specifically, the D5 2.0 ST (step-through) has a meaningful practical advantage that the specs don't fully capture: emergency dismount speed.
When you're riding with a dog in a trailer or a dog running alongside, situations arise where you need to stop and dismount fast — your dog starts distress vocalizing, another dog approaches, or you need to check a harness clip. On the D5 2.0 ST with its 19.3" standover, you stop, put both feet down, and step off the back. On the high-step D5 2.0 with its 27.6" standover, you have to swing your leg over the top tube — adding 3–4 seconds and requiring you to balance while doing it.
Performance is identical between the two:
- Same 750W / 90Nm motor
- Same full suspension (100mm front + 130mm rear)
- Same Maxxis 4.0" fat tires
- Same 65 mile range and 400 lb payload capacity
- Same MIK rear rack for trailer hitch and accessories
Choose D5 2.0 ST if: you're frequently stopping for your dog, have any knee or hip mobility limitation, or value the peace of mind of instant dismount.
Choose D5 2.0 if: your dog outings are mostly long continuous rides on trails where you rarely stop, and you prefer the high-step frame.
See: Step-over vs step-through: which is right for you? | Step-through e-bikes collection