Originally Posted by
CaptainPlanet
Will there be performance differences? What's the optimum order of component upgrading? The cassette/chain rings, derailleurs, or shifters etc?
Deore/Acera/Altus are groupset-ed by quality tier & market price. There is no functional difference between them.
The difference is bushings vs bearings. Surface finish. Weight. Country of manufacture & other considerations.
They are interchangeable in function.
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I shouldn't have to "make myself more visible;" Drivers should just stop running people over.
Car dependency is a tax.