Model: RD-TZ31
Level: Tourney
Color: Black
Speed: 6/7 Speed
Mount: Direct Mount
Cage: Medium cage
Suitable for mountain bike/road bike
Mainly used in aluminum alloy bike frame
Model: RD-3400-SS Level: Sora Color: Silver Speed: 9 Speed Mount: Direct mount Cage: Short cage Compatible chain: HG 9-speed Total capacity: 31T Max sprocket: 28T Min sprocket: 11T Weight: approx...