Yeah, as a matter of course I replace my pad retainers with these because I carry allen keys not fucking flat head screwdrivers. Why Shimano doesn't make the allen key version standard I don't know.
Yeah lesson learned - I've filed it under things to remember and pass on to others when using disc brake bikes for the first time -such as and don't pull the levers when the wheel is removed - much swearing with a multi tool to pry back the pistons.
Yeah, as a matter of course I replace my pad retainers with these because I carry allen keys not fucking flat head screwdrivers. Why Shimano doesn't make the allen key version standard I don't know.