RT56 Shimano Rotor Description:
Easier installation - new mounting plate construction for quick and easy installation
For resin brake pads only
Model:SM-RT56
Series: SHIMANO DEORE M6000 Series
6 bolts (P.C.D.44mm)
Size: 160mm, 180mm
Weight: 160mm 151g;180mm 164.1g

Shimano Adapter Description:
For 74mm frame or 74mm fork converting from 160mm rotor to 180/203mm rotor.
Model : SM-MA-F180P/P2/SM-MA-F203P/P
Compaliteable Braking System : Hydraulic/Mechanical Disc Brake
Components : Disc Brake PM Adapter
Material : Aluminum
Compatible Models : Mountain Bikes
Size : 180/203mm
Brake Caliper Type : Post Mount
Note : Doesn't come with original packaging, it is produced by Shimano's official factory, buy with confidence.