Mooncool TK2 vs Viribus FC1 FoldingTK2 vs FC1 Folding
Both checked Sep 2026 against manufacturer pages
Key differences
What actually differs
Both fold.
Weight
Mooncool is 39 lb lighter
Mooncool
90.4 lb
Viribus
129 lb
Folded size
Mooncool folds smaller
Mooncool
17.5 cu ft
Viribus
25.6 cu ft
39.4 × 28.7 × 26.8″ vs 45.7 × 25.6 × 37.8″
Total load
Mooncool carries 50 lb more
Mooncool
450 lb
Viribus
400 lb
Rider plus cargo.
Battery
Mooncool has 2% more
Mooncool
720 Wh
Viribus
~706 Wh
Viribus figure calculated from 48V × 14.7Ah.
Top speed
Viribus is 4.5 mph faster
Mooncool
15.5 mph
Viribus
20 mph
Both are Class 2 speeds.
Verdict
Which one for you
- Easiest to lift or carryMooncool TK239 lb lighter overall.
- Smallest storage spaceMooncool TK2Folds about 8.1 cu ft smaller.
- Longest ridesMooncool TK2Larger battery. Both range claims are the brand's, not tested.
Full specs
Side by side
SpecMooncool TK2Viribus FC1 Folding
Fit
Step-over height
16″
Not published by brand
Rider height
5′0″–6′3″
4′11″–6′5″
Seat height
30.3 ~ 39 in (770-990 mm)
Not published by brand
Total load
450 lbBetter
400 lb
Motor
Rated power
500W
750W
Peak power
1,092W
1,200W
Torque
65 Nm
80 NmBetter
Battery
Capacity
720 WhBetter
~706 Wh
Voltage and amp-hours
48V · 15Ah
48V · 14.7Ah
Range and speed
Claimed range
35-60 miles
Pedal assist range 62 miles; throttle range 36 milesBetter
Top speed
15.5 mph
20 mph
E-bike class
Class 2
Class 2 (not stated by brand)
Size and folding
Folds
Yes
Yes
Folded size
39.4 × 28.7 × 26.8″Better
45.7 × 25.6 × 37.8″
Weight
90.4 lbBetter
129 lb
Wheels
20"
20"
Brakes and drivetrain
Brakes
STARUNION 150 hydraulic disc, 180mm*2.3mm rotors
180 mm hydraulic brakes, triple disc (rotor listed as 7 in.)
Parking brake
Yes
Yes
Gears
1 speed; 36T crank / 18T freewheel
Seven gears
Rear differential
Yes
Yes
Reverse
Yes
Not published by brand
Comfort and safety
Suspension
Forged alloy fork, 40mm travel, oil-damped with lockout
Dual rear suspensions (30 mm stroke) + suspension seatpost
Certifications
UL 2849 & UL 2271 by SGS; CFR 1512
UL 2271 certified battery
List price
Price
$1,499.99
$1,299Better
"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.