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This OpenSource firmware adds advanced features and customization that are usually only available on expensive motors from big brands.
The motor is driven more efficiently making it stronger and uses less battery energy, as also it is very responsive and feels soft.
Our OpenSource and DIY advanced display makes the firmware more user friendly, more customizable as also show more relevant information to the user.
NOTE that previously we were using the 860C/850C color and SW102 but we moved on to our own display.
This firmware development started on March 2018 by casainho and 6 months after, Jabalat an experienced user of TSDZ2 and ebikes, did a very positive review on his Youtube channel. The development is active and is being done for free by the community of users; some of these developers work professionally developing this type of technology for very well known companies.
Feedback from users:
- the TSDZ2 now feels more like the Bosch motor
- the motor is more efficient, stronger, it's feel like I have a new motor
- the bike feels very responsive and is very fast and agile whenever you need it to
- the info which is shown on LCD makes the total package way better
- this is GOLD. I still have a smile on my face
See this page: features and configurations.
The TSDZ2 can be quickly and easily installed on different bicycle types, we have some notes and pictures for your reference, see this page: How to install TSDZ2 on your bicycle
| MTB full suspension | Cargo bike | MTB kid |
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| Fat bike | Trike | Hand cycle |
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| Adventure touring bike | Road bike |
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If you prefer to buy a motor and display ready to use with our OpenSource firmware installed, visit the shops Electrify Bike or Eco Cycles - these shops made a fair amount of contributions to the project and have very good technical knowledge and so they probably can provide a good customer support.
There are many online shops selling TSDZ2 motor and the parts for maintenance. You can find on popular ones like Aliexpress or Ebay but you may want to pay attention to the costs of shipping and custom taxes - for example in Portugal (may be similar in other EU countries), the shipping and handling at customs costs for DHL courier (usually very fast shipping like 5 days) can be a minimum value of 90€ for a part that costs only 15€. For the same part of 15€, you may choose shipping by regular post (usually slow shippinng like 30 days) and you will probably not pay anything for the handling at customs and not even custom taxes.
There are shops that have local stock, and even if the prices are higher than buying directly from China on like Aliexpress, the final price can be lower because you will not have to pay extra costs for handling at customs and custom taxes. PSWPower is a popular shop and usually have local stock on EU, US and Russia of TSDZ2 motor and batteries.
You can install or update the firmware by yourself, for free: How to install the Flexible OpenSource firmware.
- How to install brake sensors (optional but highly recommended)
- How to calibrate the torque sensor (optional but highly recommended)
- How to improve pedal distance to frame Q factor (optional)
- How to install motor temperature sensor (optional)
- How to improve motor heat dissipation (optional)
- If you have any questions please read the FAQ.
- Join us on the official Endless Sphere thread for community support
- If you are looking to build the firmware from the source code and/or contribute to the development, please take a look at Development.
- Join us on the Gitter channel for development only!!
- SW102 display firmware by Andrzej Szombierski
- TSDZ2 firmware as also ESP32 wireless controller with a mobile app
- emmebrusa firmware for various displays
- avdweb - TSDZ2 weight reduction
- Cap for protect the second plug of the speed sensor, that remains exposed to environment (note: print at 98% scale, or smaller, for tighter fit) original message post here