1pcs 12T 14T Narrow wide Jockey Wheel bike Rear Derailleur Pulley for Sram GX 22S XX1 Eagle  

Note: this item is resin made. It is narrow wide pulley.it include only 1pcs.

Features:

Thickness:8mm diameter:50.1mm(12T)

Universal 4/5/6mm in aperture

Weight:10g/pcs(12T)

Package include:

1pcs jockey wheel