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Flyer SE Gear Upgrade


The EVdeals gear upgrade kit includes all the parts and instructions necessary to raise the top speed of the Flyer SE to nearly 20 mph! Riders lighter than 160 lbs are likely to achieve speeds in excess of 20 mph, while those on the heavier side will reach somewhat lower speeds. 

Kit includes custom made .500" heat treated and "hard-turned" motor shaft adapter, bearing spacers, 19T pinion gear, pre-installed Sprague roller bearing clutch, chain parts, and installation instructions.

Installation does not require removal of the rear wheel and axle assembly!

Be sure to read the "Recommended Limits of Operation" section below before deciding to install this upgrade on your Flyer SE! 

Complete kit with instructions $59.95

Dynamometer TEST Results      

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Recommended Limits of Operation: This gearing has been dynamometer and field tested, and provides approximately 3 MPH speed increase over stock gearing. However, the hill climbing ability and range of the Flyer will be somewhat reduced. Care should be taken to check motor temperature during early test runs with the new gearing! Avoid steep hills! (those over ~8% grade) Lighter riders may find this restriction unnecessary!

Be certain that tire pressure is at or near 40 PSI to avoid overloading the motor. Riders heavier than ~175 lbs should check for excessive motor temperature frequently, until more experience is gained. 

                                           Dynamometer Results

AverageSpd.jpg (19381 bytes)  Duration.jpg (19109 bytes)  Distance.jpg (21814 bytes)  MaxSpd.jpg (18485 bytes) 
  Average Speed         Duration (min)                Range                Maximum Speed