Smuums concentrated soap for bicycles is respectful to all parts of the bike (frame, disks and brake pads ...). You only need to use 3ml of soap for each 1 liter of water.
Smuums transmission bike cleaner / degreaser let's you clean all the parts of the bike transmission (chain, casette, chainrings,...). It also respect all parts of the bike (frame, disks and brake pads, suspensions ...).