Addmotor Grandtan M-340 vs Addmotor Soletri II M-366X Herotri II M-365X (high-step)Grandtan M-340 vs Soletri II M-366X Herotri II M-365X (high-step)
Both checked Sep 2026 against manufacturer pages
Key differences
What actually differs
Same 750W motor.
Weight
Addmotor is 7 lb lighter
Addmotor
123 lb
Addmotor
130 lb
Verdict
Which one for you
- Easiest to lift or carryAddmotor Grandtan M-3407 lb lighter overall.
- Easiest to get onAddmotor Grandtan M-340Lowest step-over: 17.5″ vs 24″.
Full specs
Side by side
SpecAddmotor Grandtan M-340Addmotor Soletri II M-366X Herotri II M-365X (high-step)
Fit
Step-over height
17.5″Better
24″
Rider height
5′2″–6′4″
5′2″–6′2″
Seat height
32.5"-39" (min/max saddle height)
32.5"
Rider limit
350 lb
350 lb
Total load
450 lb
450 lb
Seats
1 rider
—
Motor
Rated power
750W
750W
Torque
90 Nm
Not published by brand
Battery
Capacity
~960 Wh
~960 Wh
Voltage and amp-hours
48V · 20Ah
48V · 20Ah
Range and speed
Claimed range
40-85 miles
85 miles (PAS1)
Top speed
20 mph
20 mph
E-bike class
Not published by brand
Class 2 (not stated by brand)
Size and folding
Folds
No
No
Folded size
Doesn't fold
Doesn't fold
Weight
123 lbBetter
130 lb
Wheels
24" front / 20" rear
20"
Brakes and drivetrain
Brakes
Mechanical disc brakes on each wheel
Tektro Aries mechanical disc, 180mm rotors, motor inhibitors
Parking brake
Yes
Yes
Gears
Shimano 7-speed
Shimano Altus 7-speed (1x7, 14-28T cassette)
Rear differential
Yes
Yes
Comfort and safety
Suspension
Oil spring fork, 80mm travel (Addshox)
Full suspension: ADDSHOX 20" dual-crown oil spring fork, 80mm travel + rear suspension…
Certifications
UL 2271 & UL 2849
UL 2271 (battery)
List price
Price
$2,399Better
$2,599
"Better" marks the stronger figure where one clearly exists. Range and battery claims are the brand's own. "~" means we calculated it. "—" means we haven't checked it yet. Sources and any conflicting figures are on each model page.