>>1706869pretty sure any 6-7-8 speed chain will do, this chains are around 7.2 mm wide when measured on the outer plates
9 speed is around 6.8 mm
10 speed can be between 5.9 and 6.2 mm
11 and 12 speed are around 5.5 mm
iirc using a chain that is too thin, it can fall in between the chain rings