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Rad Power Bikes RadRunner Max vs Specialized Haul STRadRunner Max vs Haul ST

Both checked Sep 2026 against manufacturer pages
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Rad Power Bikes RadRunner Max
Rad Power BikesRad Power Bikes
RadRunner Max
Model page Where to buy Remove Rad Power Bikes RadRunner Max
Specialized Haul ST
SpecializedSpecialized
Haul ST
Model page Where to buy Remove Specialized Haul ST
Key differences

What actually differs

Weight
Specialized is 5 lb lighter
Rad Power Bikes
82 lb
Specialized
77 lb total
Total load
Rad Power Bikes carries 1 lb more
Rad Power Bikes
420 lb
Specialized
419 lb
Rider plus cargo.
Rider limit
Only Rad Power Bikes publishes one
Rad Power Bikes
275 lb
Specialized
Not published
We can't confirm Specialized's rider limit.
Battery
Specialized has 15% more
Rad Power Bikes
672 Wh
Specialized
772 Wh
Verdict

Which one for you

  • Easiest to lift or carry
    Specialized Haul ST
    5 lb lighter overall.
  • Heavier riders
    Rad Power Bikes RadRunner Max
    The only one with a published rider limit (275 lb).
  • Longest rides
    Specialized Haul ST
    Larger battery. Both range claims are the brand's, not tested.
Full specs

Side by side

SpecRad Power Bikes RadRunner MaxSpecialized Haul ST
Fit
Step-over height
17″
Not published by brand
Rider height
4′11″–6′2″
around 4'5" all the way up to 6'4"
Seat height
From ground: 31.5" - 43.3" (80 - 110 cm); From pedal bottom stroke: 28" - 37" (71.1 -…
Not published by brand
Rider limit
275 lbBetter
Not published by brand
Total load
420 lbBetter
419 lb
Motor
Rated power
750W
700W
Torque
90 Nm
Not published by brand
Battery
Capacity
672 Wh
772 WhBetter
Battery weight
Not published by brand
9.92 lb
Range and speed
Claimed range
60+ miles
up to 60 miles
Top speed
28 mph
Not published by brand
E-bike class
Class 1, 2 or 3
Not published by brand
Size and folding
Weight
82 lb
67.1 lb + 9.92 lb batteryBetter
Wheels
20"
20'', double-wall alloy, 50X20mm, 36h
Brakes and drivetrain
Brakes
Gemma Hydraulic GA-1000B; rotors 180mm x 1.8mm, 6 bolt
Tektro HD-T535, 4 piston caliper, hydraulic disc, 203mm rotor
Gears
8 speed (Shimano 8 speed trigger shifter, 8 speed 11-34T)
Shift Levers: microSHIFT Advent, 9-speed; Rear Derailleur: microSHIFT, short cage…
Comfort and safety
Suspension
Exsho suspension fork, 80mm, tapered, thru
Fork: 2022 Globe Fork
Certifications
Tested by ACT for compliance with UL 2849 and UL 2271
As applicable, certified to UL 2849 (e-system) and/or UL 2271 (battery) by UL…
List price
Price
$2,299Better
$2,699.99

"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.