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New productShimano exage 400lx front derailleur FD M400
- €8.99
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New product -22%Front derailleur Shimano C201
- €16.37
- €20.99
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New product -34%Front derailleur Shimano Altus FD-M313-3
- €10.16
- €15.39
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New productRear derailleur Shimano RD-C030 6 to 7 speed Rapid Rise
- €9.99
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New product -55%Rear derailleur Sunrace M41 7s long cage
- €9.00
- €19.99
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New product -40%Rear derailleur Sram X5 10s long cage
- €40.17
- €66.95
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New product -40%Front derailleur Shimano Altus 63-66°
- €7.53
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New product -22%Front derailleur Shimano Altus
- €14.81
- €18.99
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New product -40%Front derailleur Shimano Altus FD-CT90 63-66°
- €7.53
- €12.55
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New product -35%Front derailleur Shimano TY22
- €9.69
- €14.90
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New product -25%Front derailleur Sunrace
- €5.99
- €7.99
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New product -16%Shimano Tourney rear derailleur RD-TY300
- €10.91
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New product -40%Shimano Altus FD-CT91 front derailleur
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UsedShimano triple FD-TY22 front derailleur
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New product -20%Front derailleur S Ride FD-M300 3x8s
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New productRear derailleur S Ride RD-M200 6 to 8s long cage
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New productRear derailleur S Ride RD-M200 6 to 8s short cage
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An E-bike derailleur generally performs the same functions as a traditional city e-bike, but it can have certain specific characteristics to adapt to electric motorization and the specific needs of urban cyclists. Here is a description of the function, characteristics and standards of electric bike transmission derailleurs:
Function of an E-bike derailleur :
The e-bicycle derailleur is an essential component of the transmission which allows you to change speeds by moving the chain from one cog to another on the cassette at the rear of the bicycle. Its main function is to allow the cyclist to adapt to different types of terrain and riding conditions by adjusting the resistance and pedaling speed.
Characteristics of an E-bike derailleur:
1. Electrical Compatibility:
Electric city bike derailleurs can be designed to work with electric drivetrain systems, although many electric city bikes use integrated hub drivetrains, meaning the derailleur is less crucial for shifting.
2. Robustness and durability:
As with all city bikes, robustness and durability are important characteristics for the electric bike derailleur, as it can be subjected to difficult urban riding conditions.
3. High Torque Capacity:
Electric derailleurs often feature stronger springs and oversized pulleys to handle the increased tension.
4. Chain Stabilization Technology:
Integration of systems such as cage stabilization (Shadow+ at Shimano) or chain clutches (clutch at SRAM) to avoid derailments.
5. Increased waterproofing:
Resistance to splashes of water, mud and dust, essential for use off-road or in bad weather.
6. Engine Compatibility:
Some derailleurs are specially designed to be compatible with motor systems (Bosch, Shimano Steps, Yamaha, etc.).
Types of derailleurs for e-bikes
Mechanical derailleurs:
Classic operation with cables.Advantages: Simplicity, easy maintenance, affordable cost.
Electronic derailleurs:
Control via electronic levers or wirelessly.Advantages: Ultra-precise gear changes, automatic adjustments, connection with electric assistance.
Integrated derailleurs:
Derailleurs specific to internal transmissions (Ex.: Rohloff or Enviolo).Advantages: Reliability, reduced maintenance, ideal for urban and trekking bikes.
The best brands of derailleurs for electric bikes
1. Shimano
Key models:
Shimano Deore XT Di2: Electronic version, ideal for electric mountain bikes.Shimano Deore M6100: Mechanical, robust and versatile.
Features :
Shadow+ technology: chain stabilization.Wide compatibility with 10 to 12 speed cassettes.
Designed for Shimano Steps drivetrains.
2.SRAM
Key models:
SRAM EX1: Specially designed for electric bikes.SRAM GX Eagle: Compatible with 12-speed drivetrains.
Features :
Reinforced springs to manage the high torque of the motors.X-Horizon technology for precise gear changes and consistent tension.
Ideal for electric mountain bikes.
3.Bosch
Key models:
Derailleurs compatible with the eShift system, developed in partnership with Rohloff, Enviolo and Shimano.Features :
Intelligent integration with the engine for automated gear shifting.Designed for high-end urban and trekking bikes.
4. Campagnolo
Flagship models:
Ekar 13 speed: Lightweight and robust derailleur for electric gravel bikes.Features :
Compact and precise design.Suitable for wide speed range transmissions.
5. Rohloff
Flagship models:
Rohloff Speedhub: Integrated transmission, ideal for electric bikes.Features :
Extreme reliability, up to 14 internal speeds.Low maintenance and belt compatibility.
6. Enviolo
Flagship models:
Continuously variable transmission (CVT).Features :
Smooth and progressive gear change.Ideal for electric urban bikes.
Tips for choosing your E-bike derailleur :
Compatibility with transmission: Make sure the electric bike derailleur is suitable for your cassette and chain.Intended use: Opt for a robust and reliable model if you practice electric mountain biking.
Desired technology: Electronic versions offer additional comfort, but at a higher cost.
Motor brand: Check the compatibility between the derailleur and your motor (Bosch, Shimano Steps, Yamaha, etc.).
Conclusion
The choice of an E-bike derailleur depends on your use, your engine and your budget. Brands like Shimano, SRAM, and Bosch offer solutions adapted to all practices, whether off-road, trekking or urban travel. For an optimal experience, choose a robust model compatible with your transmission.