PRODUCT SPECIFICATIONS MODEL NO RD-M3100-SGS SERIES SHIMANO ALIVIO M3100 Series Color Series color Rear speeds 9 Compatible chain HG 9-speed Top-normal spring type|SHIMANO SHADOW RD ✔ Mount|Direct…
EATURES Stable drivetrain on the trail Low-profile design avoids damage from rocks Chain stabilizer reduces chain drop, slap and noise Silent drivetrain in all gear positions Decreased rear…