ZTTO 12s 11-50t Cassette 12 Speed 11-50t Bike Wide Ratio Freewheel MTB Mountain for K7 Eagle XX1 X01 X1 GX

Feature:

• Fit for HG standard hub (same as 10 speed hub), Good compatibility, 11-13-15-17-19-21-24-28-32-36-42-50T wide ratios to climb fast.
• Aluminium spider,Light weight and cool

Specification:

• WEIGHT : about 603g
• Color: silver-black
• RATIOS: 11-13-15-17-19-21-24-28-32-36-42-50T
• FIT for HG SYSTEM (same as 10 speed )
• MATERIAL: Sprockets-steel /Spider-Aluminium

Package Included:

• 1 x 12 Speed Freewheel