Compatible with the following models: 1156936 1157678 - E-Live BF max center 19 Lowstep 1132493 - Energy Boost (Baif Center) Lady 17 1132494 - Energy Boost (Baif Center) Uni 17 1143949 - Energy Boost HD BFmax center 18 Lady 1156934 - Energy Boost HD BFmax center 19 Lady 1143950 - Energy Boost HD BFmax center 18 Uni 1156935 - Energy Boost HD BFmax center 19 Uni 1132497 - Xc-E 275 Cliff 17 1143948 - E-Live BFmod center 18 Lowstep 1143951 - Xc-E Trainer 275 BFmod center 18 1156911 - Xc-E Trainer 275 BF modest center 19 1156933, 1157679 - E-Vilma BF modest center 19 Lowstep 1172347 - E-live Bf Center Lowstep 20 1172342 1172287 - Xc-e Trainer 275 Bf Modest Center 20 1172346,1172348 - Energy Boost Hd Bfmax Center 20 Uni