Hi!
Me and my gf own a haibike sduro fullnine 8.0 and a sduro fullnine 4.0.
8.0 has ~900 km, 4.0 ~ 450Km, original chains.
I bought a chain wear tool from BForce and used it on both chains.
On the chain of 8.0 the tool directly goes into the gap between the links, indicating severe wear ie...