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Well yeah, it's worth doing sometimes, moreso with DOT brakes and those that get proper use and get quite hot. But your general commuter tektros or whatever definitely don't need an annual bleed, or at all really unless there's something up with them. I changed the fluid on my GRX I've had for at least 2 years the other week and it wasn't really necessary, they've been used a fair amount too.
I also see old juicys that are working ok for a commuter and bleeding would probably cause more problems than it solves, whatever the black gunk they're running on is doing a good enough job to stop someone on the flat from 12mph without boiling, and when they go wrong they'd be better off with some new brakes.
Nah
More likely
Nah, maybe from the hoods but you've got more leverage from the drops if you bare in mind you've got to pull further, and if rotor size is the same.
Yeah, but fuck bleeding it all the time if it doesn't need it.