For all those who want to get more out of their bicycle or mountain bike and feel the desire for that little bit extra, Maxon offers the ideal pedelec conversion kit with its particularly powerful and highly dynamic drive. In the e-bike product tests conducted by the Institute for Energy and Mobility at the Bern University of Applied Sciences, the Maxon BIKEDRIVE eclipsed all competing products and was awarded the title: Best E-Bike Drive 2017. It outperformed all the other drive systems, especially in the areas of acceleration and starting. The advantages of the BIKEDRIVES retrofit kit are also particularly clear when it is installed in a mountain bike and ridden uphill and on off-road tracks. The last drive stage, the Turbo Function, is designed for particularly high gradients and helps you to conquer even steep hiking trails. It is operated entirely by a throttle grip instead of a display. Just one flick of the wrist and you can move from one support level to the next. At the same time, important information such as battery status, engine temperature and support level can be viewed via the LED lights on the throttle grip. The powerful, dynamic and at the same time intuitive riding experience makes for a lot of fun on downhill trails and also when riding uphill.
The Maxon BIKEDRIVE pedelec motor is one of the world's first hub motors for MTBs with thru axles. The motor is available in different hub spacings for the common axle standards. The Maxon MX33 is suitable for quick releases with a size of 135mm and for thru axles with a size of 142mm, the Maxon MX33 Boost is suitable for the 148mm thru axle standard.
|The Maxon BIKEDRIVE - 250W Pedelec Conversion Kit...||and its Preferred Area of Application|
|» a real power house, especially for MTBs ||» ideal for offroad and city regions|
|» the drive with the best acceleration! ||» for tours in the plain and on hills |
|» light and strong ||» also defeats long gradients|
The Components of the Maxon BIKEDRIVE Drive
All small parts required for the conversion are located in the basic box. These include, for example, various cables, fixing materials, sensors, adapters, torque supports, cranks, plugs and various other parts depending on the retrofit kit. For some conversions we offer a basic box for the front wheel and rear wheel. Make sure that the selected base box fits your type of engine.
Maxon MX25 and MX25 Boost Rear Wheel Motor
The Maxon rear wheel motors have an enormous power development. The MX25 provides a powerful 250W drive with the most dynamic thrust, that is currently available on the e-bike market. The strong torque of 50Nm supports the rider even on the toughest gradients. Tests with the BIKEDRIVE showed remarkable results: 1000 meter uphill with an average gradient of 10% can be mastered by a normally trained rider (approx. 80 kg) in only 30 minutes. Another special feature of the Maxon motor is its design, which allows an efficiency of over 85% and thus a range of over 50km. The combination of compressed power and low weight (3.5kg) makes the Maxon motor unique worldwide.
Note: The MX25 and the MX25Boost differ only in the hub spacing of the motor. Please refer to the technical table at the end of this page for the corresponding hub spacing.
Maxon BX500 Lithium-Ion Battery
Small, compact and with a weight of only 2,8kg, this 500Wh battery can be easily integrated into the bicycle frame. The BX500 48V battery is precisely matched to the drive system. Just like the motor, the Maxon battery is also very efficient. While driving, the energy consumption stays so low, that a range of up to 80km may be possible. Almost70% of the battery volume is reached within the first three and a half hours. The lockable water bottle battery holder for the BX500 is already included in the conversion kit.
Maxon PowerGrip dotX25 Throttle Grip
Instead of a display, the Maxon BIKEDRIVE conversion kit is controlled via a throttle grip. This allows a simple and intuitive operation of the electric drive. Instead of buttons, the support levels are changed by turning the handle - just like on a motorcycle. LED lights on the handle allow you to see the battery status, the support level and the engine temperature at the same time. The torque levels are divided into 3 modes plus a push-assist at step speed. If the handle is turned beyond the highest level, the 50NmTorque Turbo function will be activated for a short time, which will also help you to climb the steepest paths. To keep you in control of the speed of your pedelec, the system immediately switches back to HIGH level after the Turbo Mode and does not push the pedelec after braking in steep curves.
The Technology Behind the Maxon BIKEDRIVE Conversion Kit
E-Drives for Medical and Aeronautical Applications
The Maxon BIKEDRIVE conversion kit was developed by drive specialists from medical and aerospace industries. Similar motors are used in precise prostheses and reliable operation robots. Maxon has even built engines for NASA and looks back on 50 years of experience in manufacturing drives, that can withstand the toughest conditions. With its BIKEDRIVE system, Maxon now brings its know-how to the e-bike industry and develops unique motors for both pedelecs and S-pedelecs.
The Maxon pedelec motor is elaborately and sophisticatedly designed. A ratchet freewheel is already integrated inside the motor. This allows you to ride your e-bike with hardly any resistance, when the motor support is switched off. So if your battery is empty and you don't have a charger or a spare battery with you, you can continue riding your e-bike effortlessly like a normal bike. Also a Controller, as well as aspeed sensor and a cadence sensor are already integrated in the motor. This means that you have fewer components on the bike and only two cables on the entire system! Thanks to the gearbox, the motor can provide you with a compact size and a high torque, even at a low speed. You will notice the power of the motor at every torque level. The motor is particularly robust due to the steel gears. Since steel is used instead of the usual nylon, the motor is much more robust and requires less maintenance than conventional pedelec motors on the market.
BIKEDRIVE System with an Efficiency of over 85%
A big advantage of the Maxon BIKEDRIVE motor is its ironless winding. Since there is no iron core, iron losses cannot occur. In this way, the magnetization remains constant in the entire magnetic circuit. The result is a particularly high efficiency of over 85%. Another advantage: Without an iron core, there are no soft magnetic teeth that are interacting with the permanent magnet. Consequently, there is no cogging torque. The torque thus generates an even and jerk-free running.
Motor with Integrated Thermal Protection
Maxon has already developed engines for NASA, that can withstand the most difficult temperature conditions. Integrated regulatory measures automatically protect the BIKEDRIVE pedelec motor from overheating. If the temperature is too high, the performance will be reduced without switching off completely. The current temperature level is indicated by LED lights on the Powergrip. The Maxon motor also cools down much faster than common motors. After you have stopped your e-bike, you can see on the LED lights of the Powergrip how the temperature is dropping in a matter of seconds.
|The Maxon Drives in Comparison|
|Motor||Maxon MX25||Maxon MX25 Boost|
|Type||Brushless Three-Phase Motor||Brushless Three-Phase Motor|
|Weight (including hub)||approx. 3,5kg||approx. 3,5kg|
|Dimensions (HxW)||145 x 135/142mm||145 x 148mm|
|Operating Temperature||-20°C to +50°C||-20°C to +50°C|
|Installation In||Rear Wheel||Rear Wheel|
|Throttle||PowerGrip dotX25||PowerGrip dotX25|
|Hub Spacing of the Motor||135/142mm||148mm|
|Construction Type||Direct Current Motor with Freewheel||Direct Current Motor with Freewheel|
|Brake Disc Holder||Yes||Yes|
|Maxon BX500 Battery|
|Type||Lithium Ion Battery|
|Dimensions||285 x 86 x 120mm|
|Operating Temperature||-20°C to +50°C|
|Charge Temperature||10°C to +45°C|
|Storage Temperature||0°C to +30°C|
|Rated Voltage||100 to 240 VAC, 50 to 60 Hz|
|Output Voltage||54.6 VDC|
|Dimensions||189 x 90 x 65mm|
|Operating Temperature||-10°C to +40°C|
|Storage Temperature||-20°C to +65°C|
|Humidity||5 to 65% (non condensing)|
|Application||Only for Indoor Use|
|Maxon PowerGrip dotx25|
|Type||Electronic Throttle Handle|
|Speed||Up to 25km/h|
Your Set Selection
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