ZTTO MTB Disc Brake Mount Adapter IS/PM TO PM

Adaptor for 140 160 180 203 220mm rotor

7075 light weight high-strength aluminum alloy

T6 hardened treatment

For the IS standard, the default fork is based on 160mm and the frame on 140mm.
For the PM standard, , the default fork and frame both based on 160mm
The different model of adapters are actually +0, +20, +40, and +60mm.

adapter is NOT included spacer and screw