Complete Controller & KT-LCD3 Display for TSDZ2 Open Source Firmware (OSF) Upgrade

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$154.95
$124.90
$124.90
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Upgrade to the Open Source Firmware (OSF) without any cable splicing and optionally without any programming. Complete upgrade kit with controller and KT-LCD3 display ready to go. Controller and KT-LCD3 optionally flashed with latest v 0.19.0 OSF Upgrade. 1T4 main harness cable included. (Choice of throttle and brake cut-off sensor also available on this product page.)


Hardware Included:


  • TSDZ2 250-750W 8-pin controller $40
  • 1 to 4 main harness cable $24.95
  • KT-LCD3 Display $59.95


All other Electrify Bike Co. TSDZ2 Open Source Firmware products can be found here.


The 1 To 4 main harness cable enables the use of all of the bafang throttles and brake cutoff sensors. These are all selectable below for inclusion with the upgrade kit. The harness is compatible with the KT-LCD3 display annd the 850C color display. It will also work with the SW102 Bluetooth display when the firmware is complete.


We are currently loading TSDZ2 OSF version 0.19.0. Click here for a complete user manual and configuration guide.


Controller installation: The upgrade is a mostly straightforward and easy operation. You just take off the motor cover and the plastic cover under the chainring. Then you can see the controller and the rest is fairly obvious. The only part that is a little bit tricky is prying out the rubber plug around the cables where they pass through a hole in the motor body. Here is a video showing how to remove it. https://www.youtube.com/watch?v=Wb8Omk6e7GI from 2:30 to 4:20.


Shipments outside of the USA:

For shipments outside North America provide you select International Shipping and enter your complete mailing address and contact info below. A flat fee of $39.60 will be added to the price. When you checkout select "Pickup in store". Don't worry, we will ship to the address you provided below. This is just so we don't charge shipping twice.Tariff harmonization code: 850300 (ebike motor controller & display)


Thanks to the TSDZ2Open Source Firmware developers:

The developers of the TSDZ2 OSF Upgrade are talented engineers. They developed this TSDZ2 augmenting firmware with a huge investment of their time as a public service to promote ebike use and environmentally friendly transportation.