Speed on display

Bikes4two

Esteemed Pedelecer
Feb 21, 2020
896
398
Havant
The first thing to check is that the displayed speed is correct (eg a phone app as has been said) then check that the wheel size setting in the controller is correct for your bike.
 

Nealh

Esteemed Pedelecer
Aug 7, 2014
20,134
8,230
60
West Sx RH
Use a gps to see how correct the display reading is.