Biktrix Juggernaut Ultra FS Pro 3 MTB Electric Mountain Bike
- Class 2
- 801-1,000 Wh
- 251-300 lb max load
- Up to 20 mph
SVT Score, Mid
A full-suspension electric mountain bike with a 160 Nm mid-drive, a 140 mm air fork and a 910 Wh battery; its weight with battery is not published.
$3,999
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Usability
6.7 out of 10Strengths
- Strong hill-climbing torque
- Big battery for long rides
- Torque sensor gives a natural assist
- Fork upgrades offered
- Full suspension soaks up rough trails
Drawbacks
- Owner found the front brake weak
- Headlight only with no taillight
- Low load rating
- No UL safety listing found
- Warranty void if motor settings change
A strong-climbing trail bike with full suspension, but weak stock brakes
Specs
- TypeMountain
- E-Bike ClassClass 2
- Battery801-1,000 Wh
- MotorMid-drive
- Top SpeedUp to 20 mph
- Max Rider Load251-300 lb
- BrakesHydraulic disc
- SuspensionFull
- FoldingDoes not fold
- CertificationsNone verifiable
- Warranty2 Years
Not published by Biktrix: claimed range and weight.
Not checked: The weight with its battery, not published
At a glance
- RockShox Monarch RL shock
- SRAM NX 11-speed
- Chaoyang MTB+ wheelset
The BIKTRIX US trademark is registered to Biktrix Enterprises Inc. of Saskatoon, Saskatchewan, which receives legal notices under the US terms.
- Biktrix e-bikes are sold in the US by Biktrix USA Inc., a Delaware corporation operating as Biktrix Electric Bikes.
- The bikes are sold through biktrix.com in US dollars and ship to the US by FedEx from Saskatoon, free on orders over $1,000.
- The e-bikes it sells run from a 350 W step-thru commuter to carbon full-suspension fat bikes.
- None of Walmart, Best Buy, Target, Costco, Dick's Sporting Goods, REI, Home Depot and Lowe's sells Biktrix e-bikes, either as the seller or through a marketplace listing; Biktrix sells its e-bikes through its own store (October 2026).
The Biktrix Juggernaut Ultra FS Pro 3 MTB is a full-suspension electric mountain bike with a Bafang Ultra M620 mid-drive rated 1,000 W and 160 Nm and a 52 V battery of 910 Wh.
It has dual-piston hydraulic disc brakes with 180 mm rotors, a 140 mm inverted air fork, a RockShox Monarch RL rear shock, torque and cadence sensors and Chaoyang 27.5x3 MTB+ tires. It has a DPC-18 display, an integrated headlight, a thumb throttle and a SRAM NX 11-speed drivetrain; a rack and fender add $99.
Biktrix lists 71.9 lb without the battery in large (74.1 lb in extra-large) and a 265 lb load rating. The listing sells it limited to 20 mph and 500 W, with a no-limit option offered for off-road use or private land. The Powder Coated finish is $4,299.00, and Wren or RockShox fork upgrades run $699.00 to $769.00.
A one-off Radiant Juggernaut Ultra FS Pro 3 MTB 19 in build with a dropper post and other parts is listed at $6,849.00.
Compared in
Questions answered from our data

How much does an electric bike cost?The 225 electric bikes we list run from $799 to $12,500, with a median of $1,995.
Are electric bikes UL certified?85 of the 225 electric bikes we list carry a UL 2849 listing we could look up by model.
How far can an electric bike go?190 of the 225 electric bikes we list claim 41 miles or more on a charge, each on its maker's own basis.
Which electric bikes have a battery over 1,000 Wh?11 of the 225 electric bikes we list have a battery over 1,000 Wh, as their makers rate it.





