
Rear wheel motor
A robust motor integrated into the rear wheel for smooth, powerful assistance.
SW102 display
Clear display with all essential information in real time.
Bottle battery
Compact, removable, easy-to-recharge bottle battery.
Fastening system
Sturdy nuts for secure mounting. Spacer for 7 to 10-speed cassette.
Battery holder
Stand with integrated controller for clean, efficient installation.
Security keys
Keys supplied to securely lock the battery.
Charger
Quick charger for optimum autonomy.
Instruction manual
Detailed guide for easy installation and commissioning.
Lightweight, high-performance electrification with the RoadDrive 45!
Want to give your bike a boost without compromising its lightness and agility? ? Visit RoadDrive 45 is designed for urban cyclists and road and gravel bike enthusiasts.Looking for discreet but effective assistance. Ideal for For occasional use, cycle touring or daily commuting, this rear-wheel motor offers a smooth, natural experience.
⚙️ A discreet, efficient motor
The RoadDrive 45 rear-wheel motor offers 40 Nm of torque and maximum power of 350W.This is enough to lighten the effort without altering pedaling sensations. Sound torque sensor intelligently adjusts assistance to your effort, providing a natural, progressive feel .
Weighing in at a featherweight 2 kg, this motor fits perfectly into mountain, city, road or gravel bikes.
🔋 A compact, lightweight battery
250Wh bottle batteryspecially designed to offer reliable autonomy in a discreet format. With its 250 Wh capacity and 36V voltage, it can cover between 30 and 50 km depending on the level of assistance and the terrain. Its 4-hour charge time guarantees flexible daily use.
📊 An intelligent display for optimum control
L’Le Dispaly Syklo gives you all the essential information at a glance: speed, assistance level, remaining range… Its size Its ultra-compact size (23 mm wide) makes it a discreet ally that won’t overload your handlebars.
🛠️ Installation and compatibility
✔ Two sizes available: Compatible with 27.5″ and 28″ wheels .
✔ Suitable for 7- to 11-speed transmissions, perfect for road and gravel bikes.
✔ Compatible only with conventional derailleur drivetrains.
✔ Suitable for bikes equipped with pad or disc brakes.
✔ Suitable for bikes made of carbon material.
✔ Fast installation, even if you’re not a mechanical expert.
⚠️ Beware of incompatibilities
This kit is incompatible with :
- Derailleurless drive systems, Nexus or Rohloff (choose our crankset motors Z2 and Z8).
- Bicycles with drum brakes.
- Frames with through axles to hold the rear wheel.
🔗 Looking for more power? Discover the Power Trail Z8 for intensive use or the UrbanExplorer Z2 for the ideal balance between power and autonomy!
Give your bike a new lease of life with the UrbanExplorer Z2!
Do you enjoy your bike but want to give it more power to go further, faster and without too much effort? The UrbanExplorer Z2 is the perfect choice for converting your bike into an electric model. high-performance and responsive ideal for urban commuting on flat or hilly roads.
⚙️ A central motor for natural assistance
The TSDZ2B pedal motor gives you a powerful torque of 80 Nmideal for climbing hills without breaking a sweat. Thanks to its advanced torque sensor, the assistance system adapts in real time to your pedaling for a smooth, natural riding experience. No jerks, just an amplified pedaling sensation, as if you’d always had the legs of a pro!
Easy installation : fits most bikes with square-axle bottom brackets square-axle bottom bracket (68 to 73 mm). And with its 3.5 kgit remains discreet and well integrated into your frame.
🔋 Choose the autonomy that’s right for you
Because every cyclist has different needs, three battery options are available:
- 250 Wh Bottle Battery Ultra-compact and lightweight (1.5 kg), perfect for short city trips (30 to 50 km range).
- Wedge 360 Wh battery An excellent compromise between range and weight (up to 60 km), ideal for everyday use.
- Hailong 630 Wh battery For long-distance cycling and touring (90 to 130 km), without fear of running out of energy.
📊 Intelligent display for total control
The Dsipaly Syklo gives you all the essential information at a glance: speed, assistance level, remaining range… Its size ultra-compact (23 mm wide) makes it a discreet ally that won’t overload your handlebars.
🛠️ Installation and compatibility
✔ Fits most bicycles with square-axle bottom bracket (68-73 mm).
✔ Quick installation, even if you’re not a mechanical expert.
✔ Complies with European standards EN 15194 – Assistance limited to 25 km/h.
✔ Compatible with Pressfit housings with thePressfit Syklo adapter.
⚠️ Beware of incompatibilities
This kit is incompatible with :
- Belt drive systems
- Back-pedal brake systems.
- Carbon frames (compatible with our RoadDrive 45).
🔗 Not sure which model to choose? Discover the PowerTrail Z8 for more power, or the RoadDrive 45 for light, fluid assistance!
⚙️ MOTOR
Features | Detail |
Motor type | Rear wheel motor |
Position | Rear hub |
Weight | 2 kg |
Rated power | 250W |
Maximum power | 350W |
Maximum torque | 40 Nm |
Technology | Brushless |
Sensor type | Integrated torque sensor |
Rated voltage | 36V |
Maximum assistance speed |
25 km/h (in compliance with VAE EN 15194 standard) Password-protected max speed setting |
Battery connection | XT60 waterproof male connector (XT60W black) |
Assistance mode | 5 assistance levels + walk mode (5 km/h) |
Protection class | IP54 |
Wheel compatibility | 27.5″ and 28″ (135mm fast axle) |
Bike compatibility | Carbon OK |
🔋 BATTERY
Features | 250Wh bottle |
Dimensions | Ø 77 × 230 mm |
Weight | 1.5 kg |
Battery type | Lithium-Ion (Samsung cells) |
Capacity | 250Wh (7Ah – 36V) |
Estimated range | 30 to 50 km |
Protection class | IP65 (water and dust resistant) |
Charging time | 4h (42V 2A charger) |
Material | Sturdy aluminum shell |
Motor controller | Integrated |
Safety | Overvoltage, overload and short-circuit protection |
Mounting | Mounting on bottle cage (mounting kit available) |
Bluetooth | NO |
USB port | YES |
📊 SCREEN
Features | Detail |
Display type | Compact monochrome LCD |
Dimensions | 63 x 23 mm |
Display | Battery level, speed, distance, assistance mode |
Assistance levels | 5 levels + walk mode (5 km/h) |
Connectivity | Compatible with Syklo firmware |
Lighting | Lights on/off via display |
Protection class | IP65 (water and dust resistant) |
Handlebar compatibility | Ø 22.2 mm (adapter available for road handlebars) |
Bluetooth | YES |
🔧 MISCELLANEOUS
Features | Detail |
Total kit weight | 3.5 kg |
Standard | Complies with EN 15194 (VAE) |
Installation | Quick installation in 30 min (manual included) |
Warranty | 2 years |
How does it work?

Install the kit
It takes less than 30 minutes to assemble your pedal motor electrification kit! No need to be a mechanical expert: just follow our detailed guide.

Drive, you're electrified
Thanks to its integrated torque sensor, the kit gives you smooth, natural assistance, whatever your bike (city, road, VTC). You'll immediately feel the difference: more pleasure, less effort.

One screen, 12 functions
Take advantage of a compact, intuitive screen to monitor and control your data in real time.

Track your performance
With the Syklo app, you can track your performance and adjust your settings to optimize every ride and extend the life of your battery.
350 W
Max. power
2.0 kg
Lightweight
40 N.m
Maximum torque


350 W
Max. power
2.0kg
Lightweight
40 N.m
Maximum torque
Performance in Lightweight Format
Weighing in at just 2kg, this rear-wheel motor is a concentrate of performance in an incredibly lightweight format. It offers a rated power of 250 W (with peaks of up to 350 W) and torque of 40 Nm. Designed to deliver dynamic acceleration and optimum handling, it combines efficiency and lightness to enhance your riding experience: the perfect boost!
Natural Assistance
Let yourself be guided by assistance perfectly synchronized with your pedaling. Thanks to its integrated torque sensor, the motor instantly adjusts assistance to the effort you put in, for a smooth, authentic feel. With 5 levels of assistance, complemented by a walk mode for smooth starts, every pedal stroke translates into harmonious support, without ever masking the true feel of the bike.


Everyday Simplicity
This kit stands out for its easy, reversible installation: in just 30 minutes, you can transform your mechanical bike into an electric one, or vice versa. Its discreet design blends in harmoniously, offering optimum comfort for all your journeys, whether in town or on the road, and is just as suitable for sporty cyclists as for those who prefer simplicity and economy.
Elegant, high-performance autonomy
Made with latest-generation 18650 cells (Samsung) and offering up to 1000 cycles, this battery combines elegant design, light weight and robustness. Its IP65-rated aluminum case effectively resists water splashes and dust, guaranteeing long-lasting protection. Installed as a bottle cage, it offers a range of 30 to 50 km while preserving your bike’s agility.
Bottle 250Wh 36V
250 Wh
Capacity
1.5 kg
Lightweight
50 km
Average range
Discreet & Practical Design
Thanks to its ultra-compact, lightweight design, this battery fits comfortably in your hand. It recharges in less than 4 hours, and its integrated USB port lets you recharge your phone on the move. To extend your adventures, it’s easy to double the autonomy by carrying a second battery in a dedicated bag.

The ultra-light charger
With a 42V 2A output, this ultra-lightweight charger offers fast, safe recharging, allowing your battery to regain its full energy in record time. Thanks to its intelligent regulation technology, it preserves cell health for optimum longevity.
Standard charger (included)
2A
Amperes
400 gr
lighter
36V
Rated voltage
Quick charger (optional)
Quick charger (optional)
Minimalist Screen, Maximum Visibility
With its compact, unobtrusive design, Display Syklo gives you intuitive control without cluttering up your handlebars. Its clear display lets you monitor your speed, range and assistance mode in real time, even in bright sunlight.
Compact
22mm wide
Connected
Bluetooth
Solid
IP 65
Control your assistance in a single gesture
Change assistance mode from an ergonomic, resistant display (IP65). Thanks to the firmware developed by Syklo, you benefit from complete control of your kit: motor power, average and instantaneous consumption (Wh/km), and a precise estimate of the battery percentage are displayed in real time, all accompanied by an integrated speed limiter for added safety. This display, designed to adapt to all types of bikes, offers an intuitive and complete user experience in all conditions.
NEW
The Syklo 2.0 application
Customize your motor and battery parameters

Real-time dashboard
Monitor speed, range and fuel consumption at a glance, so you can stay in control at all times.

Monitoring battery health
Visualize your battery’s condition with precise indicators and automatic alerts, for long-lasting performance.

Tracking routes and performance
Consult your trip history, analyze your fuel consumption and optimize your range.

Integrated safety and intelligent diagnostics
Detect anomalies, check battery lock status via an anti-theft system and update your screen with a single click.
NEW
The Syklo 2.0 application
Customize your motor and battery parameters
Why choose Syklo?
Responsive FRENCH after-sales service
Availability and response within 24 hours
Torque sensor
Natural sensations and optimal engagement
Certified firmware
VAE-compliant software
Top-of-the-range batteries
Certified cells and enhanced safety
Intelligent Display
Instant, intelligent assistance control
Real-time application
Instant monitoring of performance and diagnostics
Other
More than 150 partners to install your electric kit!
Before installing an electrification kit, our partner store will assess the condition of your bike to ensure its compatibility with the kit. We would like to emphasize that safety is our top priority.


We answer all your questions
Don’t hesitate to contact our bicycle electrics specialists if you have any doubts.
- Write to us
- Make an appointment
Our syklists' opinions
Any questions before you saddle up?
What is the RoadDrive 45 electrification kit and what types of bikes can it transform?
The RoadDrive 45 is a lightweight, high-performance electrification kit designed to transform your classic bike into an electrically-assisted bicycle. This rear-wheel motor is specially designed for mountain bikes, city bikes, road bikes and gravel bikes. Perfect for cyclists looking for discreet but effective assistance, it integrates harmoniously with your bike without compromising its original agility.
How compatible is the RoadDrive 45 wheel motor with my current bike?
Three factors determine the compatibility of a rear-wheel motor like the RoadDrive 45 with your bike:
– Compatible with bikes equipped with 7 to 11-speed cassettes (ideal for road and gravel bikes).
– Rear wheel centre distance must not exceed 135 mm
– Frame dropouts must have minimum 10 mm notches
This configuration is generally found on road bikes, mountain bikes, mountain bikes, road bikes or city bikes with conventional derailleur gears. The kit is available for 27.5″ and 28″ wheels.
What are the advantages of a rear-wheel motor kit over other electrification systems?
As a rear-wheel motor, the RoadDrive 45 offers several distinctive advantages: simpler installation than a central motor, a featherweight of just 2 kg that preserves your bike’s agility, and a natural pedaling feel thanks to its integrated torque sensor. Unlike more visible systems, it integrates discreetly into the rear wheel, preserving the aesthetics of your bike while offering efficient assistance for your daily commute or your cycle-touring adventures.
What range can I expect from the RoadDrive 45 battery?
The 250Wh bottle battery supplied with the RoadDrive 45 kit gives you a reliable range of 30 to 50 km, depending on the level of assistance used and terrain conditions. Compact and lightweight (1.5 kg), it recharges completely in 4 hours, allowing you to plan your daily trips with peace of mind. Its bottle-shaped design integrates discreetly with your bike, while offering excellent weather resistance (IP65 protection rating).
Is the RoadDrive 45 kit easy to install yourself?
Absolutely! The RoadDrive 45 has been designed for fast, accessible installation, even if you’re not an expert in bicycle mechanics. Complete assembly takes around 30 minutes, and a detailed instruction manual is included. All you need to do is replace your rear wheel with the motor-equipped one, install the battery on the bottle cage and connect the electronics. No special tools are required beyond those normally used for basic bike maintenance.
How does the RoadDrive 45's electric assistance work?
The RoadDrive 45 uses an intelligent torque sensor that precisely analyzes your pedaling effort to adjust electric assistance in real time. With its 5 customizable assistance levels and 5 km/h walking mode, you have perfect control over the intensity of the motor’s support. The motor develops 40 Nm of torque and a maximum power output of 350W, offering a natural, progressive feel without jerking, even on uphill gradients. All essential information is visible on the compact Syklo display, which integrates discreetly into your handlebars.
What incompatibilities should I be aware of before buying the RoadDrive 45?
The RoadDrive 45 is not compatible with :
– Derailleurless drive systems such as Nexus or Rohloff (for these bikes, UrbanExplorer Z2 and PowerTrail Z8 crankset motors are recommended)
– Bicycles with drum brakes
– Frames with through axle for rear wheel mounting
If you have any doubts about compatibility with your bike, please contact us before purchasing.
How can I manage and optimise the battery life of the RoadDrive 45?
To maximize the life of your lithium-ion battery, a few simple practices are recommended: avoid discharging it completely on a regular basis, store it in a moderate-temperature environment (10-20°C) when not in use, and recharge it after each significant use. The RoadDrive 45 battery features protection against overvoltage, overcharging and short-circuiting, guaranteeing optimum safety. Its integrated USB port also enables you to recharge your mobile devices while on the move.
What is the maximum assisted speed and is it adjustable?
In compliance with European standard EN 15194 for electrically-assisted bicycles (EABs), the RoadDrive 45 offers assistance up to 25 km/h. This limit can be set via a password-protected parameter on the display, but beware: altering this limit makes your bike non-compliant with legislation for use on public roads and may affect your warranty. The maximum speed reached will also depend on your pedaling cadence, the gear ratio used and the configuration of your bike.
What warranty is offered on the RoadDrive 45 kit?
The RoadDrive 45 electrification kit comes with a 2-year warranty covering all manufacturing defects under normal, recommended use. This warranty applies to all kit components: wheel motor, battery, display and accessories supplied. To preserve your warranty, please respect the legal speed limits (25 km/h) and follow the basic maintenance instructions. Our after-sales service remains at your disposal for any questions or assistance you may require.