>>1577266lel wat.
how much do you weigh, what width tyres are you running and how much does your bike weigh?
>>1577359The main place you need oil on the chain is inside the rollers where they act on the bushings (pins), everywhere else is a waste really and you should be wiping off all outer excess once the solvent in the oil dries off.
>>1577479I-is that light showing through that gap?
If so, throw that wheel away before you end up losing half of your front teeth.
>>1577516Do you mean the rubber hood covers, the plastic shifter body, or the ratchet? Replacement hood covers are easy to get, but if the other parts fail then you just need a new shifter with the same amount of speeds and cable pull ratio see this site for more info:
https://en.wikibooks.org/wiki/Bicycles/Maintenance_and_Repair/Gear-changing_Dimensions#Rear_Shift_Ratios>>1577555Side pull cantis are GOAT if they have good adjustment on them, though I do have discs on my roadie and like them.
Only issue is entry level hydraulic disc road bikes usually have resin pads and resin pad specific rotors, so if you do any kinda of hard braking and descending you'll need to upgrade both for metallic compound brakes.
Resin is pure garbage unless you're a timid greyhound who gets dropped on descents.