It has two main models:
(1) Model 1: zt3-pro-E speed reducer, suitable for the vast majority of zt3-pro models worldwide, including zt3-pro, zt3-pro-E, etc.
(2) Model 2: zt3-pro-D speed reducer, mainly applicable to the German version of zt3-pro-D electric scooter (please purchase this model if you have the German version of zt3-pro-D)
1. Weight and Packaging:The product weighs approximately 32 grams and is packaged in an anti-static bag.
Product dimensions: 20*2*2 cm.
Packaging dimensions: 13*9*1 cm.
2. Installation Method: The product is installed inside the pole. Two wires are respectively connected to the instrument line and the communication line.
3. After installing this reducer, the speed can be reduced. When fully charged, the speed of no-load operation can reach above 40 km/h, and with passengers, it can reach above 36 km/h.















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