A simple look at your bikes disc brakes function and maintenance
Do you really need hydraulic disc brakes or will mechanical ones do? - Velo
Shimano BR-RS305 Mechanical Disc Brake Caliper - Conte's Bike Shop | Since 1957
Mechanical disc brakes: (My)an overview & what I'm riding right now
Amazon.com: WIROJ Mountain Bike Hydraulic Disc Brake Set, Front & Rear Disc Brake Kit Fit Bicycle MTB XC Trail, e-Bike, Fat Bike, Upgrade kit for Mechanical Disc Brake (Red - Right Front
Mechanical Vs. Hydraulic Disc Brakes On An E-Bike | KBO Bike
VIVI Bike Front Rear Mechanical Disc Brake Calipers