215*145-23*25.7 1S*2+1S*4
181*127-18*20.8 1S*4
200*137-18*20.8 2S*2+2S*2
OD:180 Teeth QTY:18 Teeth Major Dia:20.7 Teeth Small Dia:18.3
OD:200 Teeth QTY:18 Teeth Major Dia:20.7 Teeth Small Dia:18.3 Spring:4
200mm/18T*21.0
228mm/18T*21.0
230mm/18T*21.0