7-Speed MTB Drivetrain Gear System (Aftermarket)

Upgrade your bike with the Mastercopy Shimano 7-Speed Gear System, designed for smooth shifting and dependable performance. A complete drivetrain kit ideal for MTB, hybrid, and everyday riding.

Key Features:

✔ Complete 7-speed drivetrain kit
✔ Smooth and precise gear shifting
✔ Durable rear derailleur design
✔ Ergonomic trigger shifter
✔ Strong 7-speed freewheel included
✔ High-quality chain and cables
✔ Easy installation and maintenance
✔ Ideal for MTB and hybrid bikes