Giới thiệu Shimano Acera M3000 MTB Bike 3×9 Speed Speed Derailleur Groupset FD-M3000 Front Derailleur RD-M3000 Shadow Rear Derailleur New M390 Group Set

Option:
1, Front derailleur only
2, Rear derailleur only
3, Front and rear derailleur
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Front derailleur model: FD-M3000
Level: Acera
Speed: 9 Speed / 27 Speed
Clamp Diameter: 34.9mm (not including 31.8mm adapter,if you need pls leave message)
Type: Top Swing
Cable Pull: Dual Pull
Suit for 40T crankset
Weight: approx 190g
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Rear derailleur model: RD-M3000
Replacement for RD-M390
Level: Acera
Speed: 9 speed
Weight: approx 280g
Super low-profile concept with SHADOW mechanism
Wider linkage ensures durability and precise shifting
Quick and easy wheel installation
Easy adjustment and maintenance
High-level surface treatment