CLICK PHOTO FOR MORE INFO. & TO ORDER Benefits: Fast installation.Ensures concentricity with the wheel hub.Adjustable laterally for proper chain alignment with the engine.Drives the entire wheel...not the spokes!Cost effective, proven design, since 2008.CB-110 Large Bolt Circle (Adapter Only) w/ 3 button head boltsIncludes all hardware and Allen wrenchesDesigned for coaster brake hubsFits Shimano CB-110, CB-110E, HI-Stop, Falcon CFE10 and Micargi For Hubs that measure between 1.520"-1.528" See measure in navigation menu. *Custom reducer bushings are available for freewheel or multi-speed hubs that measure 1.250" or smaller.See: (MM Freewheel Conversion Reducer Bushing $30) under Adapter and/or Sprockets navigation menu on home page. MM custom reducer bushings insert into this adapter! Down sizes it so it can work with smaller hub diameters.Not just coaster brake hubs!