THREADS INTO STANDARD DERAILLEUR HANGERS, NOT AN AXLE MOUNT
INEXPENSIVE REPLACEMENT FOR DEPARTMENT STORE BIKES - BUYER RESPONSIBLE FOR COMPATIBILITY
WE AREN'T SURE WHAT THE SHIFTER COMPATIBILITY IS. IT'S LIKELY A DIRECT REPLACEMENT FOR THE EXACT SAME DERAILLEUR. WE'RE NOT SURE IF IT'S EITHER SHIMANO OR SRAM COMPATIBLE.
