When you fold a Brompton, the non driveside of the fork hooks on to the driveside chainstay. They tend to get rather dirty and oily which if you've ever had disc brakes you will know is a bad thing to get on the rotor.
@hillbilly started
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When you fold a Brompton, the non driveside of the fork hooks on to the driveside chainstay. They tend to get rather dirty and oily which if you've ever had disc brakes you will know is a bad thing to get on the rotor.