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Home > All E-Bikes > Muon Fermion Ultra

Muon Fermion Ultra

Gravel E-Bike
( / 5.0)
€2.999,00
Muon Fermion Ultra
Muon Fermion Pro
Color - Lava Red and Coke Black
Size - For Rider 167 - 186cm (5'6"- 6'1") M S
Exclusive Offer
Headlight (UrbanCross)
FREE
$49.90
Taillight (UrbanCross)
FREE
$39.90
Payment Methods.  Learn More
Size & Fit
Specs
Size & Fit
Size & Fit
S
5'1"-5'7"
M
5'6"-6'1"
L
5'11"-6'7"
A Seat tube length 450 470 500
B Seat tube angle 74° 74° 75.3°
C Top tube length 570 570 591
D Head tube length 148 148 148
E Head tube angle 71° 71° 72.3°
F Front wheel to center 629 629 650
G Trail 77 77 69
H Wheelbase 1065 1065 1083
I Chain stay length 445 445 445
J Drop BB 70 70 80
K Stack 584 584 599
L Reach 403 403 434
M Stand over height 792 797 802
N Handlebar width 540 540 540
O Stem length 100 100 100
P Crank length 170 170 170
Q Saddle height 533 - 768 553 - 788 583 - 818
Performance
Weight
38.8lbs
Assist Speed
20mph
Range
75 Miles
Electronics
Motor
250W Brushless Hub Motor, 520W Peak, 42N.m Torque
Sensor
Torque Sensor
Battery
Internal Battery, Capacity 345.6 Wh(36 V-9.6 Ah), With BMS Safety System
Charger
36V / 4A
Display
1.45" Color TFT-LCD display Integrate with handle bar, Available for BLE/APP connection
Assist Switch
Left Switch Unit for Assist
Tail Light
Tail Light, 7 Hrs battery Life With Rechargeable Battery
Front Light
Headlight. 50 LUx/40 LUx/30 LUx 3 Mode With Rechargeable Battery
APP
VanLife App
Smart System (TBox)
Yes
Component
Frame
6061 Aluminum Alloy Frame Road/Gravel Design Hub-motor adaptation. The frame strength test reaches 150% of ISO 4210 standard
Front Fork
Rigid Fork,Aluminum Alloy, Road / Gravel Style.12*100 Mm THRU Axle Dropout, Flat-Mount Disc Brake Mount.
Rear Derailleur
Shimano® GRX 600 11 Speed
Crankset
42T Chainring, 170mm Crank
Cassette
Shimano® 11 speed cassette, 11-42T
Chain
KMC® E11 Chain
Brakes
Shimano® GRX Hydraulic Disc Brake. 160 Mm Rotor
Rims
Aluminum Alloy, Double Wall
Front Hub
14G×36H,M12×100 Thru-Axle
Spokes
36*2 Stainless Steel Spokes
Tires
CST® 700C * 40C Gravel Tires
Tubes
CST® 700C * 40C Puncture.Resistant Inner Tubes
Handlebar
Carbon One-piece Drop bar Width 440mm, Extension 100 mm.Compatible with internal cable routing
Stem
One-Piece Carbon Cockpit
Seat Post
Carbon fiber, Dimension 30.9 mm.Length 350 mm
Saddle
Ergonomic Sport Saddle
Grips
Handlebar Tape
Pedals
9/16" Axle Aluminum Alloy Pedals
Vanpowers Muon Fermion Ultra
Vanpowers Muon Fermion Ultra

€2.999,00
GROUPSET

Shimano® GRX

RANGE

Up to 75 Miles

DROP HANDLE BAR

Carbon Fiber

SENSOR

Torque Sensor

APP

VanLife App

GROUPSET

Shimano® GRX

RANGE

Up to 75 Miles

DROP HANDLE BAR

Carbon Fiber

SENSOR

Torque Sensor

APP

VanLife App

Price & Performance Showdown

April 28, 2025
Price
Weight
Design
Charger
Battery
Range
Drivetrain
Max Speed
Smart Control Module
Fermion Ultra
$2,999 
38.8 lbs
Minimalist Integrated Cable Routing
42V/4A Fast Charger 
36V 9.6Ah 345.6Wh Internal Li-ion Battery, LG Cells, With BMS System
75 Miles 
Shimano® GRX 600 11-Speed
25 mph
T-BOX Smart Module 
Cann***ale
$5.500
40 lbs
Minimalist Integrated Cable Routing
Bosch 2A
Bosch Compact Powertube 400Wh
/
Shimano GRX 800, 12-speed
28 mph
Bosch Flow
Te***s
$3,099
36lbs
Minimalist Integrated Cable Routing
48V/5A
Samsung 360Wh Integrated Lithium Battery
62 Miles
Belt Drive
20 mph
Linux-Based

Features

TBOX Smart Module with GPS, Auto-Unlock & SOS

Installed with the TBOX smart module, your e-bike connects to the Vanlife App for GPS tracking, auto-unlock when you approach, theft and movement alerts, SOS crash detection, and ride stats—offering safer, smarter, and more effortless riding every time.

Lightweight & Durable Frame with 6-Year Warranty

Built to last with UL 2849 certification and 6-year frame warranty. Our frame surpasses ISO standards by 50% after 150,000+ fatigue tests, setting new benchmarks for e-bike durability and peace of mind.

Shimano® GRX Hydraulic Disc Brakes with 160mm Rotors

The Shimano GRX hydraulic disc brakes offer superior modulation and control, featuring 160mm rotors for excellent heat dissipation. With a low-profile flat mount design and 10% wider pad clearance, they ensure quiet, reliable braking on mixed terrains.

75-Mile LG Battery with Fast Charging & Smart BMS

Powered by UL-certified 345.6Wh LG cells, this internal battery integrates Vanpowers’ BMS for smart heat control and safety. Enjoy up to 75 miles per charge, with 42V 4A fast charging—60% in 1.5 hours, adding 45 miles.

Shimano® GRX RX600 11-Speed for Gravel & Adventure

The Shimano GRX RX600 11-speed groupset offers smooth, reliable shifting with an 11-42T cassette range, ideal for diverse terrains. Its Shadow RD+ derailleur stabilizes the chain over rough surfaces, ensuring precise gear changes and enhanced durability for gravel and adventure rides.

CST® 700x40C Gravel Tires with EPS Puncture Protection

The CST® 700x40C tires feature a dual-compound tread and 60 TPI casing for balanced grip and durability. Equipped with EPS puncture protection, they offer reliable performance on gravel and urban roads, ensuring a smooth and secure ride.

Sleek 1.45" Integrated Handlebar Display

The 1.45-inch color TFT-LCD screen features a clean, cordless design seamlessly built into the handlebar. Its minimalist look enhances the bike’s elegance while supporting BLE/App connectivity and internal cable routing—giving you both smart functionality and a clutter-free cockpit.

Carbon One-Piece Flared Drop Bar, 440mm Width

The UrbanCross-Ultra features a 480mm wide, 100mm extension carbon one-piece flared drop bar. Its ergonomic design enhances control on rough terrains, while the internal cable routing offers a clean, aerodynamic look, complementing the bike's minimalist aesthetic.

Responsive 250W Motor with Torque Sensor & 42N.m Power

The rear hub motor delivers up to 520W peak power and 42N.m of torque for strong hill starts. Integrated with a torque sensor, it provides smooth, natural pedal assistance that responds precisely to your effort—ideal for urban commutes and variable terrain.

What Influencers Say

VANPOWERS E-BIKES TEST EVENT FOR THE: (Urban Cross-Ultra & Grand Teton Ultra) PART 2

Model:Ultra | Color: Sand Yellow

The Lightest & FASTEST Ebike I've Ever Tested: Vanpower Urban Cross ULTRA

Model:Ultra | Color: Lava Red and Coke Black

Regalito de navidad adelantado jeje 💘 @Vanpowers

Model:Ultra | Color: Lava Red and Coke Black

Which Model Is Right for You?

Muon Fermion Ultra
Learn More
Muon Fermion Pro
Learn More
Color
Mint Green/Sand Yellow
Mint Green/Sand Yellow
Mode Pedal-Assist Pedal-Assist
Assist Speed 20 Mph 20 Mph
Range 75 Miles 75 Miles
Weight 38.8 Lbs(17.6Kg) 38.8 Lbs(17.6Kg)
Motor 250W Brushless Hub Motor, 520W Peak, 42N.m Torque 250W Brushless Hub Motor, 520W Peak, 42N.m Torque
Sensor Torque Sensor Torque Sensor
Battery Internal LG Battery, Capacity 345.6 Wh
(36V - 9.6Ah), With BMS Safety System		 Internal LG Battery, Capacity 345.6 Wh
(36V - 9.6Ah), With BMS Safety System
Display 1.45" Color TFT-LCD Display.
Integrate With Handlebar.
Available For BLE/APP Connection		 1.45" Color TFT-LCD Display.
Integrate With Handlebar.
Available For BLE/APP Connection
APP ✨VanLife App VanLife App (Selectable)
Smart System ✨Remote location and anti-theft/Proximity Start/Bike issues monitoring and diagnosis/Riding information and route tracking/Sound function/SOS/OTA Anti-theft Rear-hub Locking
Tail Light Tail Light, 7 Hrs Battery Life
With Rechargeable Battery		 Tail Light, 7 Hrs Battery Life
With Rechargeable Battery
Front Fork Rigid Fork, Aluminum Alloy, Road / Gravel Style. 12*100 mm THRU Axle Dropout, Flat-Mount Disc Brake Mount. Rigid Fork, Aluminum Alloy, Road / Gravel Style. 12*100 mm THRU Axle Dropout, Flat-Mount Disc Brake Mount.
Rear Derailleur ✨Shimano® GRX 600 11-Speed Shimano® CUES 400 9-Speed
Brakes ✨Shimano® GRX Hydraulic Disc Brake 160 mm Rotor Tektro® Hydraulic Disc Brake 160 mm Rotor
Handlebar ✨Carbon One-piece Drop Bar Width 440 mm, Extension 100 mm with Cordless Design Carbon One-piece Flat Bar Width 680 mm, Extension 100 mm with Cordless Design
Seat Post Aluminum Alloy, Dimension 30.9 mm, Length 350 mm Aluminum Alloy, Dimension 30.9 mm, Length 350 mm
Chain ✨Shimano® CN-LG500 KMC® E11 Chain
Grips Handlebar Tape Velo® VLG-1859D3. Size 136 mm
Muon Fermion Ultra
Learn More
Muon Fermion Pro
Learn More
Color
Mint Green/Sand Yellow
Mint Green/Sand Yellow
Mode
Pedal-Assist
Pedal-Assist
Assist Speed
20 Mph
20 Mph
Range
75 Miles
75 Miles
Weight
38.8 Lbs(17.6Kg)
38.8 Lbs(17.6Kg)
Motor
250W Brushless Hub Motor, 520W Peak, 42N.m Torque
250W Brushless Hub Motor, 520W Peak, 42N.m Torque
Sensor
Torque Sensor
Torque Sensor
Battery
Internal LG Battery, Capacity 345.6 Wh
(36V - 9.6Ah), With BMS Safety System
Internal LG Battery, Capacity 345.6 Wh
(36V - 9.6Ah), With BMS Safety System
Display
1.45" Color TFT-LCD Display.
Integrate With Handlebar.
Available For BLE/APP Connection
1.45" Color TFT-LCD Display.
Integrate With Handlebar.
Available For BLE/APP Connection
APP
✨VanLife App
VanLife App (Selectable)
Smart System
✨Remote location and anti-theft/Proximity Start/Bike issues monitoring and diagnosis/Riding information and route tracking/Sound function/SOS/OTA
Anti-theft Rear-hub Locking
Tail Light
Tail Light, 7 Hrs Battery Life
With Rechargeable Battery
Tail Light, 7 Hrs Battery Life
With Rechargeable Battery
Front Fork
Rigid Fork, Aluminum Alloy, Road / Gravel Style. 12*100 mm THRU Axle Dropout, Flat-Mount Disc Brake Mount.
Rigid Fork, Aluminum Alloy, Road / Gravel Style. 12*100 mm THRU Axle Dropout, Flat-Mount Disc Brake Mount.
Rear Derailleur
✨Shimano® GRX 600 11-Speed
Shimano® CUES 400 9-Speed
Brakes
✨Shimano® GRX Hydraulic Disc Brake 160 mm Rotor
Tektro® Hydraulic Disc Brake 160 mm Rotor
Handlebar
✨Carbon One-piece Drop Bar Width 440 mm, Extension 100 mm with Cordless Design
Carbon One-piece Flat Bar Width 680 mm, Extension 100 mm with Cordless Design
Seat Post
Aluminum Alloy, Dimension 30.9 mm, Length 350 mm
Aluminum Alloy, Dimension 30.9 mm, Length 350 mm
Chain
✨Shimano® CN-LG500
KMC® E11 Chain
Grips
Handlebar Tape
Velo® VLG-1859D3. Size 136 mm

Lightning Fast & Free Shipping

Enjoy fast, free shipping on all your orders, ensuring your e-bike arrives quickly and at no extra cost.

Up To 6-Year Warranty

Ride with confidence with our up to 6-year warranty, covering your e-bike for years of worry-free use.

Hassle-Free After Sale

Experience a smooth, hassle-free buying process with easy returns and dedicated customer support.

Experience Smart Cycling with Vanlife App
Easily track your ride history, mileage, and rankings. Enjoy map navigation and community sharing features designed to enhance your daily eBike experience—simple, efficient, and perfect for everyday riders.
Download the Vanlife App

What’s In The Box

Fermion Ultra x 1
Battery x 1
User Manual x 1
Toolkit Box x 1
Pedal x 2
Battery Charger x 1
Taillight x 1
Headlight x 1

⚠️ Helmet use is strongly advised for all riders. Properly fitted head protection can significantly reduce injury risks. Many jurisdictions require helmets by law, particularly for younger riders.

⚠️ Attention: This e-bike is for riders aged 16 and up. It is not for children's use.

Note: Before using the bike with a maximum assisted speed exceeding 20 mph, it is important to familiarize yourself with local regulations if it is legal to use in the regions, and other requirements, e.g. age, helmet use, license, etc.For more information, please refer to the instructions manual accompanying the e-bike.

DISCLAlMER: It is essential for riders to be aware of and adhere to local regulations before unlocking the speed limit, Muon is not responsible for any consequences arising from failure to observe the local regulations.

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