Jasion Kago vs Rad Power Bikes RadRunnerKago vs RadRunner
Both checked Sep 2026 against manufacturer pages
Key differences
What actually differs
Weight
Rad Power Bikes is 29 lb lighter
Jasion
94 lb
Rad Power Bikes
65 lb
Total load
Jasion carries 30 lb more
Jasion
350 lb
Rad Power Bikes
320 lb
Rider plus cargo.
Rider limit
Only Rad Power Bikes publishes one
Jasion
Not published
Rad Power Bikes
275 lb
We can't confirm Jasion's rider limit.
Battery
Jasion has 233% more
Jasion
2,080 Wh
Rad Power Bikes
624 Wh
Top speed
Jasion is 8 mph faster
Jasion
28 mph
Rad Power Bikes
20 mph
Jasion is outside Class 1–2.
Verdict
Which one for you
- Easiest to lift or carryRad Power Bikes RadRunner29 lb lighter overall.
- Heavier ridersRad Power Bikes RadRunnerThe only one with a published rider limit (275 lb). Jasion allows more total load but doesn't say how much of it can be the rider.
- Longest ridesJasion KagoLarger battery. Both range claims are the brand's, not tested.
Full specs
Side by side
SpecJasion KagoRad Power Bikes RadRunner
Fit
Step-over height
Not published by brand
16.5″
Rider height
5′4″–6′2″
4′11″–6′2″
Seat height
Maximum Seat Height 33.9"
From ground: 31.5" - 42.5" (80 - 108 cm); From pedal bottom stroke: 25.75" - 37" (65.4…
Rider limit
Not published by brand
275 lbBetter
Total load
350 lbBetter
320 lb
Motor
Rated power
Not published by brand
750W
Peak power
1,200W
Not published by brand
Torque
80 NmBetter
60 Nm
Battery
Capacity
2,080 WhBetter
624 Wh
Voltage and amp-hours
52V · 20Ah
—
Range and speed
Claimed range
90 MilesBetter
Estimated 17-55+ miles per charge
Top speed
28 mph
20 mph
E-bike class
Outside Class 1–3
Class 2
Size and folding
Weight
94 lb
65 lbBetter
Wheels
20''
20"
Brakes and drivetrain
Brakes
2-piston hydraulic disc brakes; "Hydraulic Brakes with Power Cut-Off"
Gemma Hydraulic GA-950E; rotors 180mm x 1.8mm, 6 bolt
Gears
SHIMANO 7-Speed
Single speed (16T)
Comfort and safety
Suspension
Front Suspension
Rigid Steel Fork, straight, bolt on (no suspension listed)
Certifications
UL 2849
UL Certified to UL 2849 and UL 2271
List price
Price
$1,099Better
$1,499
"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.