BR-M8020 Resin Pad & Spring D03S also BR-M820/BR-M640
The 4-piston SHIMANO DEORE XT hydraulic disc brake ups the stopping power by 10% over the M8000, 2-piston version making it perfect for aggressive trail riding.
+10% braking power (vs. BR-M8000 with 180 mm disc brake rotor)
High power ceramic piston caliper
Best combination with ICE TECHNOLOGIES heat management