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Muon Fermion Pro

Gravel E-Bike
€2.399,00
Free Shipping
Include VAT
Muon Fermion Ultra
Muon Fermion Pro
Color - Sand Yellow
Size - For Rider 167 - 186cm (5'6"- 6'1") M S
Exclusive Offer
Headlight (Fermion)
FREE
$49.90
Taillight (Fermion)
FREE
$39.90
Payment Methods.  Learn More
Size & Fit
Specs
Size & Fit
Size & Fit
S
155cm - 170cm
M
168cm - 185cm
L
180cm - 200cm
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
17.6kg
Assist Speed
25 KPH
Range
120 KM
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
42V / 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)
Selectable
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® CUES 400 9-Speed
Crankset
42T Chainring, 170mm Crank
Cassette
Shimano® 9-Speed Cassette, 11-41T
Chain
Shimano® CN-LG500
Brakes
Tektro® Hydraulic Disc Brake.160Mm 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 Flat bar.Width 680mm, Extension 100 mm.Compatible with internal cable routing
Stem
One-Piece Carbon Cockpit
Seat Post
Aluminum Alloy, Dimension 30.9 mm.Length 350 mm
Saddle
Ergonomic Sport Saddle
Grips
Velo® VLG-1859D3. Size 136 Mm
Pedals
9/16" Axle Aluminum Alloy Pedals
Vanpowers Muon Fermion Pro
Vanpowers Muon Fermion Pro

Ships in 2 business days from the Local Warehouse

Free Shipping & Up to 6-year warranty

€2.399,00
SPEED

32 KPH

RANGE

Up to 120 KM

FLAT HANDLE BAR

Carbon Fiber

SENSOR

Torque Sensor

APP(SELECTABLE)

VanLife App

SPEED

32 KPH

RANGE

Up to 120 KM

FLAT HANDLE BAR

Carbon Fiber

SENSOR

Torque Sensor

APP(SELECTABLE)

VanLife App

Price & Performance Showdown

April 28, 2025
Price
Battery
Charger
Max Speed
Range
Weight
Drivetrain
Design
Brakes
Fermion Pro
€2,399 
36V 9.6Ah 345.6Wh Internal Lithium-ion Battery, LG Cells, With BMS system 
42V/4A Fast Charger 
25 KPH
120 KM
17.6kg
Shimano® CUES U4000 9-Speed
Minimalist Integrated Cable Routing 
Shimano® GRX Hydraulic Disc Brake. 160mm Rotors 
Spec***zed
€4,139
Specialized SL1-320, Fully Integrated, 320Wh
48V Custom Charger
45 KPH
128 KM
32lbs
SRAM GX, Trigger, 12-Speed
Sleek Design
Tektro HD-R510, Hydraulic Disc, 160mm
Ur***ia
€1,839
36V 9.8Ah (352.8Wh), Samsung Li-ion, Certified to UL-2271, IPX5
2.5H Fast Charger, 36V 4Amp
40 KPH
128 KM
37 lbs
Shimano 8-Speed
Sleek Desgin
Dual-Piston Hydraulic Disc Brakes

Features

Lightweight & Durable Frame with 6-Year Warranty

UrbanCross features a 6061 aluminum alloy frame that weighs just 39 lbs—light enough for effortless lifting and city transport. Tested to 150% of ISO 4210 standards, this frame ensures exceptional strength and comes backed by a 6-year structural warranty.

120KM LG Battery with Fast Charging & Smart BMS

Powered by UL-certified 345.6Wh LG cells, this internal battery integrates 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.

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.

Tektro® Hydraulic Brakes for Safer, Smoother Stops

Equipped with proven Tektro® hydraulic disc brakes and 160mm rotors, the UrbanCross-Pro delivers strong, responsive braking. Enjoy smoother, more controlled stops with less hand fatigue. Better heat dissipation ensures safe downhill rides and long-lasting performance, far beyond standard mechanical brakes.

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.

Shimano® CUES U4000 9-Speed: Smooth, Durable Drivetrain

Shimano CUES U4000 9-speed drivetrain uses LINKGLIDE technology for buttery-smooth shifts and up to 3× the lifespan of standard drivetrains. Built to handle high-torque e-bikes, it offers quiet, precise shifting under load and low-maintenance reliability for gravel adventures and daily commutes.

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.

Carbon Flat Bar with Sleek Internal Cable Routing

Crafted from one-piece carbon fiber, the 680mm flat bar with a 90mm extension offers lightweight strength and precise control. Designed for internal cable routing, it improves aerodynamics, reduces cable wear, and enhances the e-bike’s clean, modern look.

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 25 KPH 25 KPH
Range 120 KM 120 KM
Weight 17.6Kg 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
25 KPH
25 KPH
Range
120 KM
120 KM
Weight
17.6Kg
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 Pro x 1
Battery x 1
User Manual x 1
Toolkit Box x 1
Keys x 2
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.

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