Originally Posted by
PDXaero
Slr releases are in the lever. Or am I thinking of some other shimano acronym.
this is what I am talking about. Here is a pair of SLR brakes (these happen to be A550 RX100 circa 98 or so, but even earlier SLR brakes are similar ) :
the levers with the SLR designation look like they are missing in the OP's picture