Come with a free RD extender, save your money for long B-Tension screw
Compatible with any standard 9-Speed Derailleur, Average Weight：425g
Sprockets On Spider：3 on 1, come with product menu in retail box
Material：Hi-Tensile Steel; compatible with shimano free hub
Good upgrade for your old 9 speed 11-32, 11-34, 11-28, 11-36

Technical Details

Product Details

Product Dimensions

Package Dimensions
Width : 7.1 inch
Height : 2 inch
Length : 7.1 inch

Item Weight: 0 ounce (View shipping rates and policies)
Shipping Weight: 1.15 pounds (View shipping rates and policies)

ASIN : B01MTX8J3H