Specification

Brand: Shimano
Series:Alivio M3100
Speed: 9 speed
Package Including:
-1PC M3100 9Speed Shifter
-1PC M3100 Rear Derailleur SGS
-1PC HG53 Chain
!!Need chose!! -1PC Shimano HG400 11-25T/ 11-28T Cassette or
Sunshine CS-11-25T/ 11-28T/11-32T /11-36T
SL-M3100+RD-M3100-SGS only Including:
-1PC M3100 9Speed Shifter
-1PC M3100 Rear Derailleur SGS