．CSM66 8AV 11-34T
．CSM66 8AU 11-32T
．CSM66 8BV 12-34T
．CSM66 8BU 12-32T
．8-Speed
．Lightweight Design
．N (Nickel)
．Weight - 346g [AV] + [BV] / 334g [AU] + [BU]
M6 8-Speed Wide Ratio Cassette & for Juvenile series | CSM680 8AY 11-42T | CSM680 8AX 11-40T | CSM680 8BX 12-40T
．CSM680 8AY 11-42T
．CSM680 8AX 11-40T
．CSM680 8BX 12-40T *not for Juvenile series
．8-Speed Wide Ratio
．Lightweight Design
．N (Nickel) / E (ED Black)
．506g(AY)/456g(AX)
