SIVROCK CJ500 Fat Tire Electric Bike
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Powerful Motor – 1000W high-speed brushless geared hub motor provides stronger power with speed reaching up to 25+mph.
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Larger Battery – Comes with a 48V/15AH large battery with a longer lifetime, covering a range of 25-40+ miles per full charge.
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Speed and Range – Max Speed: 25+MPH by a pedal; 25 MPH by throttle; Range: 25 to 40+ Mile by Pedal; 35+ Mile by Throttle.
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Adapt to Various Terrains– 26 X 4.0 fat tire, easily ride over beach, snow, gravel, rain, dirt, and sand, conquer any sort of terrain.
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Safe and Comfortable– Equipped with multi-functional LCD display, double disc brake, suspension front fork, adjustable seat, high brightness front light, anti-skidding fat tire, increase stability, comfort, and energic riding experience.
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1-Year Warranty– You are guaranteed a 1-year warranty for the battery, charger, motor, and controller.
28 MPH Top Speed
1000W high-speed brushless geared hub motor provides stronger power.
48V/15AH large battery
A larger battery with a longer lifetime, covering a range of 25-40+ miles per full charge.
26 X 4.0 fat tire
Easily ride over beach, snow, gravel, rain, dirt, and sand, conquer any sort of terrain.
1-Year Warranty
You are guaranteed a 1-year warranty for the battery, charger, motor, and controller.
$1,399.00 $999.00
Availability: 93 in stock
SIVROCK CJ500 Fat Tire Electric Bike
$1,399.00 $999.00
Availability: 93 in stock
28 MPH Top Speed
1000W high-speed brushless geared hub motor provides stronger power.
48V/15AH large battery
A larger battery with a longer lifetime, covering a range of 25-40+ miles per full charge.
26 X 4.0 fat tire
Easily ride over beach, snow, gravel, rain, dirt, and sand, conquer any sort of terrain.
1-Year Warranty
You are guaranteed a 1-year warranty for the battery, charger, motor, and controller.

Size Guide
Medium(cm) | ||
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Recomm. rider height | 170~195 (5’7’’~6’1’’) |
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A. Standover height | 84 | |
B. Seat height (to ground) | 90~102 | |
C. Handlebar grips height | 101.5 | |
D. Handlebar width | 69 | |
E. Crank length | 17 | |
F. Overall length | 186 | |
G. Wheel diameter | 72 | |
H. Seat height (to seat tube) | 20~30 | |
I. Handlebar diameter (outer) | 2.4 |
Medium(cm) | Large(cm) | |
---|---|---|
1. Seat tube length | 37 | |
2. Seat angle | 69.5° | |
3. Head tube length | 17 | |
4. Head angle | 69.5° | |
5. Wheelbase | 117 | |
6. Top tube length (effective) | 57 | |
7. Chain stay length (rear-center) | 48 | |
8. Bottom bracket drop | 2 | |
9. Fork length (axle to crown) | 50 | |
10. Fork offset/rake | 4.5 | |
11. Stack | 55 | |
12. Reach | 38 | |
13. Front-center | 68 | |
14. Headset height | 8 | |
15. Handlebar stem length | 8 |

Specification
Power
Motor
Customized rear hub, 48 V 1000 W (rated), 83N⋅m
Speed modes
Pedal, Eco, Comfort, Sport, Turbo , Extreme, 5 gears assist
Top speed (assisted)
25 mph (40 km/h), US version
Range
30~60 miles (50~100 km)
Invisible battery
Invisible large 48V/15AH battery
General
Weight
58 lbs. (27 kg) minimum
Load-bearing capacity
Max. 322 lbs. (150 kg)
Transmission
Wide range seven-speed drive train
Body material
Aluminum alloy (frame, fork, handlebar, seatpost)
Brakes
Front & rear dual disc brakes
Anti-Slip Wear Resistant Fat Tire
All-terrain 26″*4.0″ fat tires, help you ride comfortable and easy to control balance on city road or more rugged road, such as snow or sandy beach
High-luminance Headlight
The bright headlight provides a safer and more enjoyable environment for night riding.