New answers tagged lubricant
You most certainly can use a PTFE spray after cleaning, but, I would use a high quality chain lube instead. I use this dry teflon lube on my drivetrain and use a precision applicator to lube my derailleurs after I clean the drivetrain. Personally, I wouldn't use any WD40 branded lubricant on my bike. Also, I'd recommend not using a spray type applicator ...
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