SPROCKET ALPINA CASTOR CASTELGARDEN ELETTRA 160 170 170Q 180Q E16 E16/40 E17/40 V EKS1840/1 ENERGY ES 1600 ENERGY E1.8 ENERGY E1.9 ENERGY E2.0Q SYNERGY 35 SYNERGY 40 SYNERGY 45Q TRE535/03 TRE540/03 HI TECH 1. 7 can also be mounted on other makes 3/8 LO.PRO (small) 6 teeth outer diameter Ø : 95mm inner diameter Ø : 80mm bell height: 20mm bore diameter Ø : 8.40mm Code: 54.230.0436 380101 Original code:8562940 AT