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So the Bosch front gearing is close to 2.5 X the size of the sprocket currently on it, so my 14t X 2.5 = 35. So by going to a 13t X 2.5 = 32.5 approximately anyways if that makes sense. When changing down teeth on the front I believe it's 1tooth on the front smaller equates to 2/3 teeth on the...

Hello guys, So I have done about of research into gearing for my DwnHll Pro, now I'm settled on the Shimano saint driveline as it is tiny shifts bloody quick and is reliable. I have heard of a company called macbike that make a 13tooth front sprocket and I'm just chasing people's experiences/...

Massive difference, one of the best mods I've done. I'm no longer going with the EX1 setup so looking for a 13t now

I went from standard 16t down to a 14t and it completely eliminated and chain suck that I use to get. Believe it was a sram narrow wide 14t, I'm currently looking for a 13t that will work

Bosch always seem to look after the older models so i wouldnt be surprised if their update is just software, i dont believe these motors are working at the top end of their limits i think they have just been limited through software like the new TQ motor on the haibikes