Front derailleur arm fouls on the mudguard thusly, means it can't get far enough over so chain rubs in the big ring. What do?
Put some spacers between the guard and the chainstay bridge so the guard sits closer to the wheel, thus creating more room for the derailleur?
What about denting the guard?
A nice excuse to spend a lot of money in a 1x drivetrain
Dent the mudguard, it's a common problem with the Shimano front derailleur that require quite a big movement to change gears.
@umop3pisdn started
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Front derailleur arm fouls on the mudguard thusly, means it can't get far enough over so chain rubs in the big ring. What do?