Hi Brad,
> _"I've never heard of this port and Shimano makes no mention of it in their dealer instruction manual, regarding pad replacement. Where is your information coming from?"_
they do mention in:
[https://si.shimano.com/en/dm/MADBR01/replace\_brake\_pad](https://si.shimano.com/en/dm/MADBR01/replace_brake_pad)
March 29, 2024, 6 a.m. - SiT
Hi Brad, > _"I've never heard of this port and Shimano makes no mention of it in their dealer instruction manual, regarding pad replacement. Where is your information coming from?"_ they do mention in: [https://si.shimano.com/en/dm/MADBR01/replace\_brake\_pad](https://si.shimano.com/en/dm/MADBR01/replace_brake_pad) 