FREESKY Rocky Pro A-320
FREESKY's product pageThe FREESKY Rocky Pro A-320 is an electric bike with a 48V 25Ah Samsung / LG Cells Lithium Battery, a 2500W Brushless Peak Motor, a stated top speed of 33 MPH, a stated range of 45-90 Miles, a weight of 77 LBS and a load capacity of 400 LBS.
Last updated: 8 September 2026
What we found
- 1 battery is documented for it: FP4825R0, from the manufacturer's own documentation.
- 35 specifications are published for it, each with the source it was read from.
- 2 certification standards are cited for it: UL 2849, UL 2271.
- No matching recall was found in the records this catalogue holds from 8 regulators.
Assembled from the evidence on this page. Every figure and count below is shown with the source it was read from.
Motor and performance
- Peak power
- 2500W
- Torque
- 120 N·m
- Top speed
- 33 MPH
- Claimed range
- 45-90 Miles
- Payload capacity
- 400 LBS
- Assist sensor
- Torque + Cadence Sensor
- Throttle
- Thumb Throttle
- Motor, as the maker lists it
- 2500W Brushless Peak Motor
- Pedal assist levels
- 0~5 level pedal assist
power: "2500W Peak"
Source: freeskycycle.com/pages/product-comparison
“Torque Sensor with 120 N·m Motor Torque”
Source: freeskycycle.com/products/rocky-pro-a-320
“the Rocky Pro A-320 delivers 120 N·m .”
Source: freeskycycle.com/blogs/news/e-bike-torque-explained-how-much-torque-do-you-need
torque: "120 N·M"
Source: freeskycycle.com/pages/product-comparison
“TOP SPEED (PAS) 33 MPH”
Source: freeskycycle.com/products/rocky-pro-a-320
“RANGE 45-90 Miles”
Source: freeskycycle.com/products/rocky-pro-a-320
range: "45-90 Miles "
Source: freeskycycle.com/pages/product-comparison
“LOAD CAPACITY 400 LBS”
Source: freeskycycle.com/products/rocky-pro-a-320
“SENSOR Torque + Cadence Sensor”
Source: freeskycycle.com/products/rocky-pro-a-320
“THROTTLE Thumb Throttle”
Source: freeskycycle.com/products/rocky-pro-a-320
“MOTOR 2500W Brushless Peak Motor”
Source: freeskycycle.com/products/rocky-pro-a-320
“PEDAL ASSIST 0~5 level pedal assist”
Source: freeskycycle.com/products/rocky-pro-a-320
Battery and charging
- Battery system
- 48V 25Ah Samsung / LG Cells Lithium Battery
- Charging time, stated for the machine
- 4-6 hours
- Charger
- US Standard 3A Smart Charger
“BATTERY 48V 25Ah Samsung / LG Cells Lithium Battery”
Source: freeskycycle.com/products/rocky-pro-a-320
charging_time: "4-6 hours"
Source: freeskycycle.com/pages/product-comparison
“CHARGER US Standard 3A Smart Charger”
Source: freeskycycle.com/products/rocky-pro-a-320
Brakes and safety
- Brakes
- 180MM 4-piston Hydraulic Brakes
“BRAKES 180MM 4-piston Hydraulic Brakes”
Source: freeskycycle.com/products/rocky-pro-a-320
Frame and components
- Rear shock
- Dual Air Rear Shock
- Front fork
- 120 mm Oil-Sprung Front Fork
- Tires
- 20" x 4" Fat Tires
- Chain
- KMC
- Derailleur
- SHIMANO 8 Speed
- Seat post
- 30.9*300MM Alloy Seat Post
- Display
- LCD Color Display
- Kickstand
- Adjustable Heavy Duty Aluminum
- Frame type
- Step-Thru
“SUSPENSION Dual Air Rear Shock”
Source: freeskycycle.com/products/rocky-pro-a-320
“FRONT FORK 120 mm Oil-Sprung Front Fork”
Source: freeskycycle.com/products/rocky-pro-a-320
“TIRES 20" x 4" Fat Tires”
Source: freeskycycle.com/products/rocky-pro-a-320
“CHAIN KMC”
Source: freeskycycle.com/products/rocky-pro-a-320
“REAR DERAILLEUR SHIMANO 8 Speed”
Source: freeskycycle.com/products/rocky-pro-a-320
“SEAT POST 30.9*300MM Alloy Seat Post”
Source: freeskycycle.com/products/rocky-pro-a-320
“DISPLAY LCD Color Display”
Source: freeskycycle.com/products/rocky-pro-a-320
“KICKSTAND Adjustable Heavy Duty Aluminum”
Source: freeskycycle.com/products/rocky-pro-a-320
frame_style: "Step-Thru"
Source: freeskycycle.com/pages/product-comparison
Size and fit
- Overall height
- 40.9"
- Rider height
- 5'1" ~ 5'11"
- Weight
- 77 LBS
- Total length
- 67.7"
- Wheelbase
- 45.8"
- Seat angle
- 73°
- Standover height
- 17.7"
- Reach
- 18.5"
- Seat height, lowest
- 30.7"
- Seat height, highest
- 37"
- Wheel diameter
- 28.2"
“Total Height 40.9"”
Source: freeskycycle.com/products/rocky-pro-a-320
“Rider Height 5'1" ~ 5'11"”
Source: freeskycycle.com/products/rocky-pro-a-320
rider_height: "5'1" ~ 5'11""
Source: freeskycycle.com/pages/product-comparison
“E-BIKE WEIGHT 77 LBS”
Source: freeskycycle.com/products/rocky-pro-a-320
“Total Length 67.7"”
Source: freeskycycle.com/products/rocky-pro-a-320
“Wheelbase 45.8"”
Source: freeskycycle.com/products/rocky-pro-a-320
“Seat Tube Angle 73°”
Source: freeskycycle.com/products/rocky-pro-a-320
“Standover Height 17.7"”
Source: freeskycycle.com/products/rocky-pro-a-320
“Reach 18.5"”
Source: freeskycycle.com/products/rocky-pro-a-320
“Seat Height Min 30.7"”
Source: freeskycycle.com/products/rocky-pro-a-320
“Seat Height Max 37"”
Source: freeskycycle.com/products/rocky-pro-a-320
“Wheel Diameter 28.2"”
Source: freeskycycle.com/products/rocky-pro-a-320
Fitment across the range
- Frame material
- Upgraded 6061 Aluminum
“FRAME Upgraded 6061 Aluminum”
Source: freeskycycle.com/products/rocky-pro-a-320
Warranty, returns and support
- Buying a spare battery
- Rocky Pro 25AH
Source: freeskycycle.com/products/extra-battery-pack
Law and where you can ride
- How fast the throttle alone will take it
20 MPH
rocky-pro-a-320 · retrieved by us 7 September 2026
“20 MPH with the accelerator”
Source: freeskycycle.com/products/rocky-pro-a-320
33 MPH
product-comparison · retrieved by us 7 September 2026
assist_speed: "33 MPH"
Source: freeskycycle.com/pages/product-comparison
The maker’s own documents give different figures
Certifications
- UL 2849Standard for Electrical Systems for eBikesVerified certification recordIssuer: TÜV SÜD America, Inc.Cert #U14 128702 0007 Rev. 00TÜV SÜD certificate U14 128702 0007 Rev. 00 (UL 2849) — cdn.shopify.com/s/files/1/0605/5188/9131/files/UL2849-Rocky-Pro-A320.pdf
Applies in: US and Canada
Issued to FreeSky's manufacturer, GuangZhou Yansan Science & Technology, on 24 July 2025, covering the A-320. TÜV SÜD's own certificate register lists it as valid. FreeSky publish it on this machine's product page. TÜV SÜD certified it; we did not test it.
- UL 2271Standard for Batteries for Use in Light Electric Vehicle (LEV) ApplicationsVerified certification recordIssuer: TÜV SÜD America, Inc.Cert #U10 128702 0003 Rev. 00TÜV SÜD certificate U10 128702 0003 Rev. 00 (UL 2271) — cdn.shopify.com/s/files/1/0605/5188/9131/files/UL2271-Rocky-Pro-A320-25Ah.pdf
Applies in: US and Canada
Issued to FreeSky's manufacturer, GuangZhou Yansan Science & Technology, on 3 April 2025, covering battery FP4825R0, 47.19 V, 24.5 Ah. TÜV SÜD's own certificate register lists it as valid. FreeSky publish it on this machine's product page. TÜV SÜD certified it; we did not test it.
Each standard listed is an independent claim about this specific product — one standard does not imply compliance with another.