JGBike Mountain Bike Drivetrain 12 Speed Groupset Gear Sprockets Chain Shimano

For Mountain, Road, Hybrid Bikes

Gearing: 12-Speed Cassette offers a wide range of gearing options

Tooth: 10-51T ( 10 smallest, 51 biggest )

Condition: New no box, may have minor light scratches in some area, as pictured

Shipped within 48 hours of purchase with tracking number update

Feel free to message us with any questions.

Thank you