This is a Bosch Performance Line CX @ 85NM of torque. I have the same motor in a similar bike but only 10 speed with a much longer chain/cassette life span. Riden mostly on rail trails at average 20 kph so mainly in higher gears - I’m easy on my bikes as I just need to enjoy the ride without...
Bosch powered ebike chewing up chains and cassettes twice replaced in 5000km. Mechanic states it is because of the narrower gears and chains on the 12 speed. Thoughts please?