Compatibility between brake systems (MT400 series) C-606

	BR-MT400	BR-MT410	BR-MT420
BL-MT400	✔	✔	-
BL-MT402-3A	✔	✔	✔
BL-MT401-3A	✔	✔	-
BL-MT401	✔	✔	✔
BL-M4100	✔	✔	✔