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I’ve had the urge to tinker with firmware for ages and have decided to take the plunge. As I want to use the bike while I'm experimenting this necessitates purchasing another controller for testing purposes. Options are another KT sinewave controller and flash with OSEC firmware or a Lishui...

I realise that there might not be an answer to this. I have a downhill on my regular journey. The bike is geared so I can get it up to 27/28mph under my own steam, no assistance 15.5mph cut out. When I get up the next hill and the bike drops below 15.5mph there is no assistance. Legal throttle...

Has anyone mucked about with custom firmware? Any pitfalls to avoid? Is it a daft idea?

Bought one of these https://www.amazon.co.uk/gp/aw/d/B0DBTJGQ9G I have a bafang 250w motor. Wired up and during the self learn the wheel judders forward a bit and then nothing Shows a motor error. If I set off the PAS the wheel rotates at a slow speed as it should. I'm at a bit of a loss at...

I'm after a bit of help. I need to calculate spoke lengths but am unsure what to put into the online calculators. I have a bafang bfswx02 36v 250w motor and a 26" Powercircle rim. Sorry if this should be obvious. I've done plenty of searching online but managed to tie myself up in knots.