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JUGGERNAUT ULTRA FS

Top-of-the-line components and the most powerful torque sensored mid-drive motor in the industry make the Juggernaut Ultra FS eBike the best-built full-suspension electric bike available.

From $3,499.00 USD

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LEARN ABOUT
THE JUGGERNAUT ULTRA FS ELECTRIC FAT BIKE

ULTRA FS IN ACTION

HOW TO USE A BIKTRIX eBIKE

GREAT REVIEWS

ELECTRIC BIKE REVIEW

3RD PARTY REVIEW

PRODUCT FEATURES

Your Biktrix Juggernaut Ultra FS electric bike has distinct features designed and built to perform just right for you.

Biktrix Inverted Front Suspension

Our air sprung suspension fork features 150mm of travel, preload, and lockout. Alternatively, upgrades to a Rockshox Bluto or Wren Inverted Suspension Fork are available

SRAM NX 11-Speed Transmission

Whether climbing steep hills or holding maximum speed on the flats, our SRAM NX 11-speed has you covered.

Bafang M620 Ultra Mid-Drive System

The Bafang M620 system features the G510 motor with over 1500 watts of peak power, 160Nm of torque and torque sensing assist. This allows you to span cities, climb hills, and explore all the places you want to go with ease.

LCD Display

The LCD Display shows you all kinds of important information about your ride including speed, battery life, range, odometer, pedal assist level and more.

Rear Suspension

The rear suspension features a whopping 130mm of travel and Compression and Rebound adjustment with the Rockshox Deluxe Air shock.

3" or 4" Fat Tires

Whether you're up against sand, mud or snow, these tires will handle it with ease. The Juggernaut HD is ready for all-season, all-terrain riding.

Thumb-Throttle & Control Pad

With just a push of the thumb, this thing becomes a motorbike. No need to pedal, just sit back and enjoy the ride. The control pad allows you to turn the bike on/off and adjust your settings.

Removable 48V Lithium-Ion Battery

Our removable battery system offers unmatched convenience for re-charging. With the twist of a key, your battery can be brought inside and set to charge. We offer a variety of battery capacity options, each providing a different amount of range.

Tektro E-350 Hydraulic Disc Brakes

When it's so easy to go fast, you need strong stopping power. These disc brakes will swiftly and reliably bring you to a halt.

CUSTOMER REVIEWS

Our riders love their Biktrix eBikes! They also appreciate the way our Customer Experience Support Team cares about every individual issue our customers might have. We always do our best to provide knowledgable real-time help and advice that consistently exceeds expectations.

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CUSTOM OPTIONS

Personalize your Biktrix eBike and build a bike that is just perfect for you. Customize your wheelset, brake options, battery, and forks to increase your bike’s functionality and boost your experience.

Compare the custom options and upgrades available for the Juggernaut Ultra FS.

COMPARE WHEELSET OPTIONS

26x4 FAT TIRES

A go-everywhere setup that works on and off-road through dirt sand or snow

CST BFT Tires
80mm rim

27.5x3 MTB+ TIRES

With lighter steering and lower rolling resistance, you'll handle trails like a champ

Kenda Havoc Tires
40mm rims

27.5x2.8 STREET TIRES

The fastest rolling tires for streets and groomed paths.

Schwalbe Super-Moto-X Tires
40mm rims 40mm rims

COMPARE BRAKE OPTIONS

Tektro E-350 Dual Piston Hydraulic

160mm rotors
Adjustable reach
Motor cutoffs

Magura MT5e Quad Piston Hydraulic

180mm rotors
Lightweight with maximum clamping force
Motor cutoffs

COMPARE BATTERY OPTIONS

48V 14.5Ah
700Wh

30-60+ km (20-40+ miles) per charge
Sanyo 18650 cells
Includes 2A charger
Weight: 8 lbs

48V 17.5 Ah
850Wh

50-75+ km (30-50+ miles) per charge
LG 18650 cells
Includes 3A charger
Weight: 8.5 lbs

48V 21Ah
1000Wh

70-100+ km (45-60+ miles) per charge
LG 18650 cells
Includes 4A charger
Weight: 11 lbs

52V 17.5Ah
910Wh

55-85+ km (35-55+ miles) per charge
LG 18650 cells
Includes 4A charger
Weight: 10.5 lbs

COMPARE FORK OPTIONS

BIKTRIX
INVERTED FORK

150mm travel
Rebound / Preload / Compression adjustment
Air Sprung
150mm dropout
15mm Thru-Axle
1 1/8 - 1.5 tapered steerer tube

ROCKSHOX
BLUTO RL

100mm travel
Rebound / Preload / Compression adjustment
Air Sprung
150mm dropout
15mm Thru-Axle
1 1/8 - 1.5 tapered steerer tube

WREN INVERTED
SUSPENSION FORK

Twin Air chamber spring
Rebuildable
120-150mm travel
Rebound / Preload / Compression adjustment
150mm dropout
15mm Thru-Axle
1 1/8 - 1.5 tapered steerer tube

FULL SUSPENSION POWERHOUSE.

DETAILED SPECS

Component	Specification	Component	Specification
Frame	6061 Aluminum w/130mm rear travel	Brakes	Tektro Dual Piston Hydraulic
Fork	Biktrix Inverted tapered w/150mm travel	Brake Levers	Tektro Hydraulic w/ motor cutoff & reach adjust
Headset	Threadless 1-1/8 1-1/2 Tapered	Handlebar	Alu - 34.9 clamp, 800mm wide, 20mm rise 8° Backsweep 5° Upsweep
Shifter Rear	SRAM NX 11 speed	Stem	90mm Aluminum
Rear Derailleur	SRAM NX 11 speed	Grips	Slide on
Cassette	SRAM PG-1130 11-42t	Seat Post	Aluminum 31.8mm
Chain	KMC Z11	Seat Post Clamp	34.9mm bolt-on
Crank Set	170mm Aluminum Arms with 44t Steel chainring	Saddle	Velo Plush narrow
Bottom Bracket	Bafang Ultra ISIS	Motor	1000W (1500w peak) Bafang Ultra Mid-Drive motor
Front Hub	Quanta 150mm 36H	Display	500C display
Front Axle/Skewer	20mm Thru Axle	Lights	Integrated Headlight, Battery tail light
Rear Hub	Quanta 197mm 36H	Throttle	Thumb throttle
Rear Axle/Skewer	12mm Thru Axle	Assist Levels	0-5
Rims	26"- 80mm 36H, Black 27.5"- 35mm 36H	Assist Type	Cadence and Torque Assist
Tires	Kenda Juggernaut 26x4.0, Kenda Havoc 27.5x3	Rear Shock	Rockshox Monarch RT3 184x44

Component	Specification
Frame	6061 Aluminum w/130mm rear travel
Fork	Biktrix Inverted tapered w/150mm travel
Headset	Threadless 1-1/8 1-1/2 Tapered
Shifter Rear	SRAM NX 11 speed
Rear Derailleur	SRAM NX 11 speed
Cassette	SRAM PG-1130 11-42t
Chain	KMC Z11
Crank Set	170mm Aluminum Arms with 44t Steel chainring
Bottom Bracket	Bafang Ultra ISIS
Front Hub	Quanta 150mm 36H
Front Axle/Skewer	20mm Thru Axle
Rear Hub	Quanta 197mm 36H
Rear Axle/Skewer	12mm Thru Axle
Rims	26"- 80mm 36H, Black 27.5"- 35mm 36H
Tires	Kenda Juggernaut 26x4.0, Kenda Havoc 27.5x3
Brakes	Tektro Dual Piston Hydraulic
Brake Levers	Tektro Hydraulic w/ motor cutoff
Handlebar	Alu - 34.9 clamp, 800mm wide, 20mm rise 8° Backsweep 5° Upsweep
Stem	90mm Aluminum
Grips	Slide on
Seat Post	Aluminum 31.8mm
Seat Post Clamp	34.9mm bolt-on
Saddle	Velo Plush narrow
Motor	1000W (1500w peak) Bafang Ultra Mid-Drive motor
Display	500C display
Lights	Integrated Headlight, Battery tail light
Throttle	Thumb throttle
Assist Levels	0-5
Assist Type	Cadence and Torque Assist
Rear Shock	Rockshox Monarch RT3 184x44

Bike Geometry		Small		Large
		mm	inches	mm	inches
1	Effective Top Tube Length	635	25.0	635	25.0
2	Seat Tube Length (Classic bike Size)	432	17.0	490	19.3
3	Reach	430	16.9	432	17.0
4	Stack	600	23.6	600	23.6
5	Chainstay Length	495	19.5	495	19.5
6	Standover	736	29.0	787	31.0
7	Head Angle	64		64
8	Seat Angle	74		74
9	Head Tube Length	145	5.7	145	5.7
10	Fork Length	530	20.9	530	20.9
11	Front Center	813	32.0	813	32.0
12	BB (bottom bracket) Drop	20	0.8	20	0.8
13	Fork Offset	45	1.8	45	1.8
14	Wheelbase	1,307	51.5	1,307	51.5
15	Total Length	2,030	79.9	2,030	79.9
16	Max Seat Height	1,054	41.5	1,105	43.5
17	Min Seat Height	838	33.0	889	35.0
18	Handlebar Height	1,080	42.5	1,080	42.5
19	Weight	33.9 kg	74.7 lb	34.6 kg	76.3 lb

IMAGE GALLERY

OUR SERVICE GUARANTEE

Free
Shipping

Free shipping to 48 US states and all Canadian provinces.

Custom
Built

Built to order just for you in our Canadian warehouse.

Lifetime
Warranty

Lifetime frame warranty and 1-year on all electronics.

Direct
Support

24/7 e-mail support. 8/5 phone and live chat.
+1-866-BIKTRIX

Meet
Regulations

Configure your eBike to Class 1, 2 or 3.