Sprocket
355-A7
ITAL
ECHO: CS451, CS452, CS500, CS510, CS550, CS610, CS650, CS660
ZENOAH: 620, 621
Teeth: 7
H: 23,6
Pitch: 3/8”
Ø inner side clock: 77,7
Ø inside: C=13,8
1
Sprocket
355-11
ARCHER
ECHO: CS451, CS452, CS500, CS510, CS550, CS610, CS650, CS660
ZENOAH: 620, 621
Teeth: 7
H: 23,6
Pitch: 3/8”
Ø inner side clock: 77,7
Ø inside: C=13,8
1